Methylene-disulfonic acid
[化] 亚甲基二磺酸
🧩 词语组成解析
n. 亚甲基\\n[化] 亚甲基
🗣️ 情景例句
What does that mean in plain English?
你能不能用大白话解释一下？
I invited him to come back, but he wouldn't.
我请他回来，但是他不肯。
How?
怎么做呢？