短语讲解：

1. To most of us, medicine comes from a drugstore.

come from 源自; 来自某处; 出生于; 由…造成
例句：He's just come from the countryside.
他刚从乡下来。

2. Then they create a library of those components, looking for the ones that could be turned into new drugs.

turn into 成为; （使） 变成; 译成
例句：I think I have got to stop or I might turn into a machine
我想我得停下来了，否则我就会变成一台机器。

3. Anaesthetizing the insect is better for the animals as well, says Trim.

as well 也， 还有
例句：Of course, his bluster was directed against me as well.
当然，他指桑骂槐，矛头是针对我的。

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