Specifity of catalyst
[化] 催化剂的选择性
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Window-shopping is some girls'favorite pastime.
逛街是许多女孩消磨时间的首选方式。
Drunken days have all their tomorrows.
今日花天酒地，明日潦倒穷途。
He himself has done it lots of times!
他自己就已戒了很多次了！