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catch on to 理解，学会 be conscious of 意识到be unconscious of 没有意识到......consist of =be made up of 由......组成 on purpose 故意地 be aware of/that 意识到...... provided that 如果...... in advance 提前 look into 往里看，调查，研究 look through 浏览 the former, the latter 前者，后者be based on 以….为基础 give instructions to sb 给某人指令 live on 靠…...生活die of starvation 饿死die from 因…...而死 link …to... 把...…连接到......come about 发生，产生 come out 出版，发行 come up/turn up 出现be suitable for 适合，适宜于 get sth across to sb 使某人明白某事 to start off 起先，开始fall into the category of 属于..….的范畴 range from 在...…范围内变化wrestle with 全力对付，努力解决 cure sb of disease 治愈某人的病 turn to sb for help 向某人求助give away 泄露，分发，赠送 take over 接管，控制 make a breakthrough 取得突破single out 单单挑出 not to mention 更不必说，不必提及 by chance 偶然地We sent the questions to her programmers in advance.advance on/towards/upon... 朝……前进advanced adj. 先进的；高等的；晚期的His only reason for investing in the company was to take it over.3．lead to 通向；导致(to为介词，后跟名词或动名词)
This invention made it much quicker and easier to reproduce written work and led to the first ever massproduction of books and literature.这项发明使得复制作品变得更省时、省力，从而实现了书籍和文学作品的首次批量生产。lead sb. in doing sth. 率领某人做某事lead a simple life 过着俭朴的生活Practice leads to success.Edwin Hubble was about to make astronomy's greatest breakthrough of the century.埃德温·哈勃即将作出这个世纪天文学上的最重大的突破。 | 表示即将要发生的动作，不表示按计划安排的动作，不与at once, immediately或表示将来的时间状语连用 |
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| 表示“打算，想要”，也可用来表示很可能发生的事或自然现象；类似的还有be coming, be leaving 等 |
After this, interest faded and the number of manned flights dropped off.从这以后，人们的兴趣开始减退，载人航行的数量也下降了。By this time he has used up all his savings.①run out 相当于不及物动词，表示“被用完了(＝become used up)”，其主语通常是时间、金钱、食物等无生命名词。②run out of 其主语只能是人。run out of 还有“从(某处)流出/跑出”的意思；run out 也有“流出，跑出”的意思，但其后不能接宾语。He ran out of gas a mile from home.③give out 是不及物动词短语，意为“用完，耗尽”。Our petrol gave out on the way.④use up 意为“把东西都用完了，什么也没有剩下”。7．compensate for 赔偿，补偿损失；弥补
Nothing can compensate for losing my husband.compensate one's loss with 拿……来弥补损失Nothing can compensate for the loss of one's health.Hard work can often make up for a lack of ability.We have to make up for lost time.What point are you trying to get across?They got across the bridge before dawn.They really get across me!get on with 继续(做某事)；与……和睦相处；进展get through 完成；打通电话，通过(考试)She put salt into her tea by mistake.and no mistake (强调上面所述)无疑地，的确，毫无疑问make no mistake (about it) (对这一点)别弄错了mistake...for... 把……误认为……He restored the umbrella he had taken by mistake.Do drop in if you happen to be passing!drop in on sb. 后接人，意为“顺便拜访某人”。drop in at some place “顺便来(去)某处看看”。
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