Monoalkylated
[化] 單烷基取代了的
??? 情景例句
Why can't I design dresses for you here at home?
為什么我不能在家里為你設計服裝呢？
Yes. At 3 pm.
是的，約的是下午3點。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它們隨船飛行一小時也難得見其扇動一下翅膀。