Butyl crotonate
[建] 巴豆酸酯, 丁烯酸丁酯
🧩 词语组成解析
n. 丁基\\n[医] 丁基
巴豆酸酯, 丁烯酸酯
🗣️ 情景例句
Do you need-that-pencil?
你要那只铅笔吗？
How many pieces are you going to buy?
你要买几块？
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。