Unit4单词讲义
interaction
词性：名词
中文意思：互动，相互作用
英文释义：the act of interacting or the state of being interconnected
词源：inter（相互）+action（行动）
例句：The interaction between the two countries has been tense in recent years.
固定搭配：interaction with, interaction among, positive/negative interaction
近义词：exchange, munication, liaison
vary
词性：动词
中文意思：变化，不同，使多样化
英文释义：to change or cause to change; differ from each other
词源：来自拉丁语varius，意为“不同的”
例句：The temperature can vary greatly depending on the season.
固定搭配：vary from, vary in, vary between, vary greatly
近义词：change, alter, modify, diversify
appropriate
词性：形容词/动词
中文意思：适当的，合适的；挪用，占用
英文释义：suitable for a particular purpose or situation; to take (something) for one's own use without permission
词源：来自拉丁语appropriatus，意为“将某物划归自己使用”
例句：It is not appropriate to wear jeans to a job interview.（穿牛仔裤去参加工作面试是不合适的。）
固定搭配：appropriate for, appropriate to, appropriate behavior, appropriate amount
近义词：suitable, fitting, proper, apt
approve
词性：动词
中文意思：批准，同意，赞成
英文释义：to give official permission for something to happen or be done; to agree with or support an idea or plan
词源：来自拉丁语approbare，意为“确认为真实或正确”
例句：The mittee approved the proposal unanimously.（委员会一致通过了这项提议。）event是什么词性
固定搭配：approve of, approve a plan/proposal, approve funding, approve a product
近义词：endorse, sanction, authorize, permit
demonstrate
词性：动词
中文意思：证明，展示，演示
英文释义：to show clearly that something is true or exists; to perform a task or action in order to explain how it is done
词源：来自拉丁语demonstrare，意为“展示”
例句：He demonstrated his ability to speak several languages fluently.（他展示了自己能流
利地说几种语言的能力。）
固定搭配：demonstrate a skill/ability, demonstrate a product, demonstrate a theory, demonstrate against/for something
近义词：show, prove, exhibit, display
gesture
词性：名词、动词
中文意思：手势，姿势；示意，表示
英文释义：a movement of the body or hands that expresses an idea or feeling; to make a gesture with one's hand or body
词源：来自拉丁语的"gestus"，意为“做”或“表演”。
例句：She made a gesture of despair.（她做了一个绝望的手势。）
固定搭配：make a gesture, sign language gestures, body gestures
近义词：signal, indication, hint
witness
词性：名词、动词
中文意思：证人，目击者；证明，证实
英文释义：a person who sees an event happen and can tell others about it; to see and experience something firsthand
词源：来自古英语的"witan"，意为“知道”或“看到”。
例句：He was a witness to the accident.（他是事故的目击者。）
固定搭配：witness statement, eyewitness, bear witness
近义词：testify, attest, substantiate
employ
词性：动词
中文意思：雇佣，雇用；使用，利用
英文释义：to give someone work in return for money; to use something for a particular purpose
词源：来自古法语的"emploier"，意为“使用”或“利用”。
例句：The pany employs over 500 people.（这家公司雇佣了500多人。）
固定搭配：employ someone, be employed by, employ strategies
近义词：hire, engage, utilize
identical
词性：形容词
中文意思：相同的，一模一样的
英文释义：exactly alike; exactly the same as something else
词源：来自拉丁语的"identitas"，意为“相同”或“一致”。
例句：The twins look identical.（这对双胞胎长得一模一样。）
固定搭配：identical twins, identical copies, identical features
近义词：equal, alike, similar
interpret
词性：动词
中文意思：解释，说明；口译，翻译
英文释义：to explain the meaning of something; to translate spoken words from one language into another
词源：来自拉丁语的"interpretari"，意为“解释”或“阐明”。
例句：Can you interpret this poem for me?（你能帮我解释一下这首诗吗？）
cheek
词性：名词、动词
中文意思：脸颊；厚着脸皮做某事
英文释义：the fleshy part on either side of the face; to speak or behave in a bold, impudent way
词源：来自古英语 "ceace"，意为“面颊”
例句：She had a rosy cheek after running.（她跑步后脸颊红润。）
固定搭配：cheek by jowl（非常接近地）；turn the other cheek（以德报怨）
近义词：cheekbone, jowl
favour
词性：名词、动词
中文意思：好感；帮助；偏袒
英文释义：a kind or helpful act; support or approval; show preference for one person or thing over another
词源：来自古法语 "faveur"，意为“好感”
例句：Can I ask you a favour?（我能请你帮个忙吗？）
固定搭配：do sb a favour（帮某人一个忙）；in favour of（支持，赞成）
近义词：help, support, preference
waist
词性：名词
中文意思：腰，腰部
英文释义：the part of the body between the chest and hips
词源：来自古英语 "weste"，意为“弯曲的，扭曲的”
例句：She wore a belt around her waist.（她在腰上系了一条腰带。）
固定搭配：waistdeep（齐腰深）；waistline（腰线）
近义词：hip, midriff
barrier
词性：名词、动词
中文意思：障碍；屏障；栅栏
英文释义：something that prevents progress or movement; a fence or wall built to keep people or animals out; an obstacle or difficulty
词源：来自古法语 "barre"，意为“木棍，栅栏”
例句：The language barrier made munication difficult.（语言障碍使沟通变得困难。）
固定搭配：barrier reef（堡礁）；barrier island（堰洲岛）
近义词：obstacle, hindrance, fence, wall
fake
词性：形容词、名词、动词
中文意思：假的；伪造的；假装，伪装