Crotonoyl
[化] 巴豆酰; (β)-丁烯酰
🗣️ 情景例句
Are we picking him up at the station?
我们要去车站接他吗？
None of my business.
不关我的事。
If explosives are used, vibrations will cause the roof of the mine to collapse.
如果用炸药爆破，震动会引起矿顶塌落。