Butyrone
[化] 二丙基酮; 二丙基甲酮\\n[医] 二丙基甲酮, 庚酮-[4]
🗣️ 情景例句
At what time?
几点？
That isn't the way the event happened.
这不是事情的真相！
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。