Methylpropenoic acid
[化] 甲基丙烯酸
🧩 词语组成解析
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
Man proposes, God disposes.
谋事在天，成事在人。
Its origin is still a mystery now.
它的起源至今仍是个谜。