Isovalerate
异戊酸
🗣️ 情景例句
Is this where I get my parcels?
这里是我取包裹的地方吗？
We're working fast to try and make up for lost time.
我们正加紧工作以争取补偿失去的时间。
We need three times as much as we originally ordered.
原来的三倍。