keep (kept, kept) [kiːp]
动词[v.]: 保持;保存;继续不断; 及物动词[vt.]: 培育, 饲养
例句1, She kept her promise and returned the book on time.
她信守承诺,按时归还了书。
例句2, He keeps a diary to record his daily thoughts and experiences.
他坚持写日记,记录每天的思考和经历。
例句3, The farmer keeps chickens and cows on his farm.
这位农民在他的农场里饲养鸡和牛。
例句4, Please keep the noise down; the baby is sleeping.
请保持安静;宝宝在睡觉。
例句5, They kept walking despite the heavy rain.
尽管下着大雨,他们还是继续前行。

keeper [ˈkiːpə]
名词[n.]: (动物园中的)饲养员, 看守人
例句1, The zookeeper fed the lions their daily meal.
动物园的饲养员给狮子们喂了它们每日的食物。
例句2, The lighthouse keeper ensured the light was always on to guide ships safely.
灯塔看守人确保灯一直亮着,以安全地引导船只。

kettle [ˈket(ə)l]
名词[n.]: (烧水用的)水壶
例句1, She filled the kettle with water and placed it on the stove to boil.
她往水壶里装满了水,然后把它放在炉子上烧开。
例句2, The old copper kettle whistled loudly when the water reached boiling point.
当水达到沸点时,那个老旧的铜壶发出响亮的哨声。
例句3, He used the kettle to pour hot water into the teapot for brewing tea.
他用水壶将热水倒入茶壶中泡茶。

key [kiː]
名词[n.]: 钥匙;答案;键;关键
例句1, She turned the key and opened the door to her new home.
她转动钥匙,打开了通往新家的门。
例句2, The key to solving this puzzle lies in understanding the hidden pattern.
解决这个谜题的关键在于理解隐藏的模式。
例句3, He pressed the key on the keyboard and the document was saved instantly.
他按下键盘上的键,文档立即被保存。
例句4, The teacher provided the key to the test questions after the exam.
考试后,老师提供了试题的答案。
例句5, The key to success is consistent effort and determination.
成功的关键在于持续的努力和决心。

keyboard [kiːbɔːd]
名词[n.]: 键盘
例句1, She gently pressed the keys on the keyboard, producing a soothing melody.
她轻轻按下键盘上的键,弹奏出一首舒缓的旋律。
例句2, The computer keyboard is an essential tool for typing and coding.
电脑键盘是打字和编程的必备工具。
例句3, He accidentally spilled coffee on his keyboard, rendering it unusable.
他不小心把咖啡洒在了键盘上,导致它无法使用。
例句4, The pianist’s fingers danced across the keyboard with incredible speed and precision.
钢琴家的手指以惊人的速度和精确度在键盘上舞动。

kick [kɪk]
动词[v.]: 名词[n.]: 踢
例句1, He gave the ball a powerful kick and it flew into the goal.
他用力踢了一脚球,球飞进了球门。
例句2, The horse gave a sudden kick, startling the rider.
马突然踢了一脚,吓了骑手一跳。
例句3, She felt a kick of excitement as she stepped onto the stage.
当她走上舞台时,她感到一阵兴奋的刺激。
例句4, The new policy is expected to give the economy a much-needed kick.
新政策预计将为经济带来急需的推动力。

kid [kɪd]
名词[n.]: 小孩
例句1, The kid was playing happily in the park.
那个小孩在公园里开心地玩耍。
例句2, She’s just a kid, so she doesn’t understand the complexity of the situation.
她还只是个孩子,所以不理解情况的复杂性。
例句3, I used to kid around with my friends after school.
我以前放学后常常和朋友们开玩笑。
例句4, Don’t kid yourself; this project is going to take a lot of effort.
别骗自己了;这个项目需要付出很多努力。

kill [kɪl]
动词[v.]: 杀死, 弄死
例句1, The hunter aimed carefully and managed to kill the deer with a single shot.
猎人仔细瞄准,一枪就杀死了那只鹿。
例句2, The harsh winter weather can kill delicate plants if they are not properly protected.
如果不好好保护,严冬的天气会杀死娇嫩的植物。
例句3, She tried to kill the conversation by changing the subject abruptly.
她突然改变话题,试图终止这次谈话。
例句4, The comedian’s joke was so funny that it almost killed the audience with laughter.
这位喜剧演员的笑话太有趣了,几乎让观众笑死了。

kilo [ˈkiːləʊ]
名词[n.]: 千克;千米
例句1, The suitcase weighed exactly one kilo when I checked it at the airport.
我在机场托运时,行李箱正好重一公斤。
例句2, She ran a full kilo in under four minutes during the race.
她在比赛中用了不到四分钟跑完了一千米。

kilogram [ˈkɪləɡræm]
名词[n.]: 千克
例句1, The package weighed exactly one kilogram.
这个包裹正好重一千克。
例句2, She bought a kilogram of apples from the market.
她从市场买了一千克苹果。
例句3, The recipe calls for half a kilogram of flour.
这个食谱需要半千克面粉。
例句4, He lifted a kilogram of weights during his workout.
他在锻炼时举起了一千克的哑铃。
例句5, The baby gained one kilogram in a month.
这个婴儿一个月内体重增加了一千克。

kilometr [‘kiləʊmi:tə]
名词[n.]: 千米(公里)
例句1, The marathon runners had to cover a distance of 42.195 kilometres.
马拉松选手们必须跑完42.195公里的距离。
例句2, The new highway reduced the travel time between the two cities by several kilometres.
新高速公路缩短了两座城市之间的行驶距离,节省了几公里的时间。
例句3, The satellite orbits the Earth at an altitude of approximately 36,000 kilometres.
这颗卫星以大约36,000公里的高度绕地球运行。
例句4, The school is just a kilometre away from my house, so I walk there every day.
学校离我家只有一公里远,所以我每天都步行去那里。
例句5, The scientists measured the depth of the ocean trench to be over 10 kilometres.
科学家们测量了海沟的深度,发现其超过10公里。

kind [kaɪnd]
名词[n.]: 种;类; 形容词[a.]: 善良,友好的
例句1, She is always kind to everyone she meets.
她总是对她遇到的每个人都很友好。
例句2, What kind of music do you like to listen to?
你喜欢听哪种类型的音乐?
例句3, It was very kind of you to help me with my homework.
你帮我做作业真是太好了。
例句4, There are many different kinds of flowers in this garden.
这个花园里有许多不同种类的花。

kind-hearted [kaɪnd- ‘hɑ:tid]
形容词[a.]: 好心的
例句1, She is known for her kind-hearted nature, always willing to help those in need.
她以善良的本性而闻名,总是愿意帮助那些需要帮助的人。
例句2, The kind-hearted teacher spent extra time with the struggling student to ensure they understood the material.
这位好心的老师花了额外的时间与这位学习困难的学生在一起,以确保他们理解教材。
例句3, His kind-hearted gesture of donating his entire bonus to charity inspired everyone around him.
他将全部奖金捐赠给慈善机构的善举激励了周围的每一个人。

kindness [ˈkaɪndnɪs]
名词[n.]: 仁慈;善良
例句1, Her kindness towards the stray animals in the neighborhood was truly heartwarming.
她对邻居家流浪动物的仁慈确实令人感到温暖。
例句2, The teacher’s kindness in helping the struggling student made a significant difference in his academic performance.
老师帮助那位挣扎的学生的善良,使他的学业表现有了显著的改善。
例句3, In times of crisis, the kindness of strangers often provides the most unexpected and profound support.
在危机时刻,陌生人的善良往往提供了最意想不到和深刻的支持。

king [kɪŋ]
名词[n.]: 国王
例句1, The king ruled his kingdom with wisdom and justice.
国王以智慧和公正统治着他的王国。
例句2, In the game of chess, the king is the most important piece.
在国际象棋中,国王是最重要的棋子。
例句3, He was crowned king after his father’s abdication.
在他父亲退位后,他被加冕为国王。
例句4, The lion is often referred to as the king of the jungle.
狮子常被称为丛林之王。

kingdom [ˈkɪŋdəm]
名词[n.]: 王国
例句1, The kingdom of Denmark is known for its beautiful castles and rich history.
丹麦王国以其美丽的城堡和丰富的历史而闻名。
例句2, In the animal kingdom, the lion is often referred to as the king of the jungle.
在动物王国中,狮子常被称为丛林之王。
例句3, She ruled her small kingdom with wisdom and fairness, earning the respect of her subjects.
她以智慧和公正统治着她的小王国,赢得了臣民的尊重。
例句4, The kingdom of heaven is a central concept in many religious teachings.
天国是许多宗教教义中的核心概念。

kiss [kɪs]
名词[n.]: 及物动词[vt.]: 吻, 亲吻
例句1, She gave him a gentle kiss on the cheek before leaving.
她离开前在他脸颊上轻轻吻了一下。
例句2, The couple shared a passionate kiss under the moonlight.
这对情侣在月光下深情拥吻。
例句3, He leaned in to kiss her forehead, showing his affection.
他俯身吻了她的额头,表达了他的爱意。
例句4, The baby’s first kiss was a moment of pure joy for the parents.
宝宝的第一个吻对父母来说是纯粹的喜悦时刻。
例句5, She kissed the photo of her late husband, reminiscing about their past.
她吻了已故丈夫的照片,回忆着他们的过去。

kitchen [ˈkɪtʃɪn]
名词[n.]: 厨房
例句1, She spent the entire morning cleaning the kitchen to make it spotless.
她整个早上都在打扫厨房,让它一尘不染。
例句2, The kitchen is the heart of the home, where families gather to cook and share meals.
厨房是家的核心,家人们在这里一起做饭和分享美食。
例句3, He accidentally left the stove on in the kitchen, causing a small fire.
他不小心把厨房的炉子开着,引发了一场小火。
例句4, The chef’s innovative recipes transformed the kitchen into a culinary laboratory.
厨师的创新食谱将厨房变成了一个烹饪实验室。

kite [kaɪt]
名词[n.]: 风筝
例句1, The children flew their colorful kites in the park on a windy afternoon.
孩子们在一个有风的下午在公园里放飞了他们的彩色风筝。
例句2, She watched the kite soar high above the beach, its tail fluttering in the breeze.
她看着风筝在海滩上空高高飞翔,尾巴在微风中飘动。
例句3, He used a kite to demonstrate the principles of aerodynamics in his science class.
他在科学课上用风筝来演示空气动力学的原理。
例句4, The kite festival attracted thousands of visitors from all over the world.
风筝节吸引了来自世界各地的数千名游客。
例句5, They decided to go kite surfing during their vacation to experience the thrill of the sport.
他们决定在假期期间去玩风筝冲浪,体验这项运动的刺激。

knee [niː]
名词[n.]: 膝盖
例句1, She fell and scraped her knee while playing soccer.
她踢足球时摔倒了,擦伤了膝盖。
例句2, He knelt down on one knee to propose to his girlfriend.
他单膝跪地向女友求婚。
例句3, The baby crawled across the floor, her knees getting dirty.
婴儿在地板上爬行,膝盖弄脏了。
例句4, The doctor recommended knee surgery to fix the ligament injury.
医生建议进行膝盖手术来修复韧带损伤。
例句5, She wore a knee-length dress to the party.
她穿了一件及膝的连衣裙去参加派对。

knife [naɪf]
(复 knives); 名词[n.]:小刀;匕首;刀片
例句1, He used a sharp knife to slice the bread.
他用一把锋利的刀切面包。
例句2, The detective found a knife at the crime scene.
侦探在犯罪现场发现了一把匕首。
例句3, She carefully replaced the knife in the kitchen drawer.
她小心翼翼地把刀片放回厨房抽屉里。

knock [nɔk]
名词[n.]: 动词[v.]: 敲;打;击 
例句1, She gave a gentle knock on the door before entering.
她进门前轻轻敲了敲门。
例句2, The boxer delivered a powerful knock to his opponent’s jaw.
拳击手给了对手下巴一记重击。
例句3, The unexpected news was a real knock to his confidence.
这个意外的消息对他的信心是一个真正的打击。
例句4, He decided to knock off work early and go to the beach.
他决定早点下班去海滩。
例句5, The strong wind managed to knock over the garden fence.
强风把花园的篱笆吹倒了。

know(knew,known) [nəʊ]
动词[v.]: 知道, 了解;认识;懂得
例句1, I knew the answer to the question as soon as it was asked.
我一听到问题就知道答案了。
例句2, She has known him since they were in elementary school.
她从上小学时就认识他了。
例句3, He knows how to play the piano very well.
他非常懂得如何弹钢琴。
例句4, We have known each other for over ten years.
我们彼此认识已经超过十年了。
例句5, They knew the importance of teamwork in completing the project.
他们了解团队合作在完成项目中的重要性。

knowledge [ˈnɔlɪdʒ]
名词[n.]: 知识, 学问
例句1, Knowledge is the key to unlocking the doors of success.
知识是打开成功之门的关键。
例句2, She has a vast knowledge of ancient history.
她对古代历史有着广博的学识。
例句3, The pursuit of knowledge is a lifelong journey.
追求知识是一生的旅程。
例句4, He applied his knowledge to solve the complex problem.
他运用自己的知识解决了这个复杂的问题。
例句5, Knowledge without application is like a book unread.
没有应用的知识就像一本未读的书。