Butanamide
[化] 丁酰胺
🗣️ 情景例句
I apologize.
我道歉。
I hope we will be able to maintain this good relationship and make next year another great one together.
我希望我们还能保持这样良好的关系共创辉煌的来年。
Nearly all the sports practised nowadays are competitive.
现在开展的体育运动几乎都是竞争性的。