Naphthylamine disulfonic acid
[化] 萘胺二磺酸
🧩 词语组成解析
n. [化]萘胺
🗣️ 情景例句
That's entirely another story.
那完全是另外一件事情了。
Yes,it was.
是，是十二月份。
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，