Naphtholate
萘酚盐
🗣️ 情景例句
with the school board,
和联合校董会一起，
Why am I always expected to pay the bills?
为什么老是由我来付账呢？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，