选修7第三单元单词讲解

Unit 3 words and expressions1. annual adj. _ an annual meeting/event/report/income/sports meeting n. _ adv. _ The exhibition is held annually._.2. witness vt (1) _ _ 目击意外事故 _ （2）见证 证明过去的几年见证了我们家乡的巨变。_.（3）n 证明 目击者 见证人 be (a) witness to sthHe has been a witness to a terrible murder.give witness to sth I can give witness to his innocence. 3. pause v & n. _ He _ for a moment and then continued. The woman spoke for an hour without pausing/pause. _. She paused the video and went to answer the phone. _.雨不停地下。_她回答问题之前停顿了很长时间。There was a long _ she answered.press the pause (button) to stop the tape give sb pause for thought make a pause pause to do sth/for sth4.drag (dragged, dragged) vt. _我把椅子拖到窗户边。I _ to the window. 他们把他从床上拽了起来。_I managed to drag myself out of bed._drag sb./sth. in/into sth 把毫无必要的扯到某人/某事；硬把某人/某物拉进去Dont drag the children into our argument.5.urge vt _ urge sb to do/ into doing sth urge that sb (should) dourge sth. on/upon sb.她催我赶紧去学校。She _ to school at once.She _ to school at once.n._ have an urge to do sth 假期快到了，我有去旅游的冲动。_6.abandon vt. _abandon ones post/ hope/ plan/ ideaabandon smoking那个婴儿被她母亲遗弃了。_我们不应该抛弃处于危险之中的朋友。_abandon oneself to 陷入，沉湎于He abandoned himself to computer games._n. 放纵，放任with abandon 他们在聚会上尽情地跳舞。_-abandoned adj _an abandoned car The baby was found abandoned but unharmed._7.help out (help sb out) _ 他总是乐于助人。_If you are in trouble, I will help you out._帮助某人做某事 _-情不自禁做某事 _不能帮助做某事_不得不做某事 _8.target n. _set a target _meet /achieve a target _ aim at a target _ hit/miss the target _ Railway stations are prime targets for bombs._v. 面向； 把对准target sth. on/ at stb./ sth.The programme is targeted at improving the health of women of all ages._The campaign is targeted on the young._9. reflect (1) vt 反射（声，光，热），映出（影像），显示，表明 reflect sb/sth in sth =sb./ sth. be reflected in sth. _ His face was reflected in the mirror. _树木倒映在水中。_镜子反射光线 _Our newspaper aims to reflect the view of the local community._（2）vi 认真思考，沉思 reflect on/upon sth 我坐在这个小院里，思考着这个计划。_n. reflection cn 映像，表达，显示回忆，记录 un （声，光，热的）反射，沉思，深思 10.aware adj. 知道的，意识到的be aware of (+名词、代词、动名词) be aware that +从句 He was well aware of the problem. _ . 我意识到他在撒谎。 _ 据我所知 as far as I know=as far as I am aware n. awareness 意识raise ones awareness of sth. _11. neat adj. _That is a really neat idea._他保持书桌整洁。 _She has a neat handwriting. _12.upside down 颠倒，翻转 The boat floated upside down on the river._你把书拿反了。_* turn sth. upside down(1) 把翻的乱七八糟(2) 给（某人生活）造成很大变化小偷把房子翻的乱七八糟。_His sudden death turned her world upside down._13. scare vt _ vi _scare sb _scare sb/sth. away/off _ scare sb into doing/ out of doing _You scared me. _ It scared me to think I was alone in the building._他们设法把小狗吓唬走了。_他被威胁着付了帐。 _n. 恐慌，恐惧a bomb/ health scare 炸弹/健康恐慌give sb. a scare 吓人一跳adj. _ 害怕，担心 be scared of sb/sth/ _ be scared to do sth/ of doing sth _ be scared that _ be scared to death _她害怕单独一个人出去。_他怕高。 _我担心自己快掉下去了。_1. make accommodation for _2. opposite adj. _ adv. _ prep._n. _be opposite to _oppose vt._ opposed adj._be oppose