Reaction selectivity
[化] 反应选择性
🧩 词语组成解析
n. 选择性, 选择度\\n[化] 选择性
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
Grocery bills are expensive.
食品价格昂贵。
Officials used to have trouble with the foreign names of people passing through Ellis Island, and because they were so busy, many people's names got changed in the rush.
官员们过去总是搞不清埃利斯岛过境人员的外国姓名，因为他们非常繁忙，所以在过境的人蜂拥而至的时候，许多人的姓名都被更改了。