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重点讲解：
1. in comparison 与…相比；与…比较而言；
The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.
相比之下，人类活动燃烧煤、石油等所释放的二氧化碳要少一些。
2. perceive as 看作；视为；认为；
This discovery was perceived as a major breakthrough.
这一发现被视为一项重大突破。
3. slow down (使)放慢；(使)减速；
The car slowed down as they passed Customs.
过海关的时候，车速慢了下来。
4. wind up 最终沦落到；最终落得；(以…)告终；
I always said he would wind up in prison.
我以前一直说他终归要进班房。
adj. 许多，多种多样的
n. 倍数，并联
