Isobutyryl
[机] 异丁酰基
🗣️ 情景例句
What room are you in, sir?
先生，您住几号房？
We've got to report back to the head office.
我们还要回去向总部汇报情况呢。
Where's the farm, Li Lei? Is it far?
农场在哪里，李垒？远吗？