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新概念英语第四册Lesson15课文注释
1 weigh against,不利于....。
2 in so far as...,就...而言。
3 which are of such general and fundamental nature,其中to be of 有“具有”的意思。
4 are sought for with complete secrecy,极端秘密地探索。
5 such and such a book,某一本书。
新概念英语第四册Lesson16课文注释
1 in order that...,以使....,为了....,引导目的状语从句。
2 without any idea of,完全忽视...。
3 without giving any consideration to ...,完全不考虑....。
4 with no regard for,不考虑....。
5 be deprived of,被剥夺。
新概念英语第四册Lesson17课文注释
1 so that it multiplied with that promiscuous abandon characteristic of rabbits,这里so that引导的一个结果状语从句,可译成“因此便以兔子所特有的杂乱交配繁衍后代”。
2 be susceptible to ...,易受...感染的,易受...影响的。
3 let loose,让乱跑。
4 pass ... on to,把...传给。
新概念英语第四册Lesson18课文注释
1、however intelligent they may be,不管它们有多聪明,这是一个让步状语从句。
2、as in riding the how waves of a ship,就像它们追逐被船首犁开的浪花一样。
3、If as has been reported,they have protected humans from sharks...,
as 是关系代词,代替they have protected humans from sharks.
4、Whether it be bird,fish or beast...,这是一个让步状语从句,用的是虚拟语气形式。
5、for dear life,拼命地。
新概念英语第四册Lesson19课文注释
1 in terms of muscle relaxation and so on,从使肌肉得到放松等方面来看。in terms of,从...方面看。
2 then perhaps it is the brain that need resting?这是个陈述句的语序,但句尾加问号,表示说话人对这种观点有把握但需进一步证实。
3 were it not far two factors ,这是省略了if 的条件句,可译作“如果不是下面两个因素的话”。
4 servral nights on end,一连几夜。
新概念英语第四册Lesson20课文注释
1 How it came about that snakes...a mystery,这句话的主语是一个句子:How it came about that snakes manufactured poison,谓语部分是is a mystery.主语从句中的it是形式主语,真正主语是that snakes manufactured poison,因为主语太长,所以使用it作先生主语的结构。
2 over the periods,经过很长时间。
3 live on,靠...生活。
4 a two-edged weapon,一把双刃刀,这里的意思是:如果食肉动物都有毒液,就会造成食肉动物之间的互相残杀。
5 act on,对...起作用。
6 by far the more unpleasant,更难受得多,by far是“...得多”的意思。
7 so to speak,插入语,有“可以这样说”,“打个比方说”的意思。
8 Be that as it may,这是一个倒装的站步状语从句,相当于however that may be,可译成“尽管如此”。
9 does its business with man,在人的身上发挥作用,要人的命。
10 the effects on these of viperine poison,these是指rats and mice,介词宾语结构of viperine poison是作effects 的定语。