Ethyl crotonate
[机] 巴豆酸乙酯
🧩 词语组成解析
[化] 乙基\\n[医] 乙基
巴豆酸酯, 丁烯酸酯
🗣️ 情景例句
Don't mention it. What would you like to drink?
别客气，想喝点什么？
Least said, soonest mended.
多说反坏事。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。