Octamethyltrisiloxane
[化] 八甲三硅氧烷
??? 情景例句
I don't know.
我不知道。
It all depends.
視情形而定。
As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
正像人們常常指出的，知識(shí)是一把雙刃刀，可以用于造福，也可以用來(lái)為害。