Methylprotocatechuic acid
[医] 4-羟基-3-甲氧基苯酸, 香草酸
🧩 词语组成解析
🗣️ 情景例句
You screwed up.
你搞糟了。
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
What is it?
什么呢？