Ketoisovalerate
酮异戊酸
🗣️ 情景例句
Yes, we'll be arriving by car about ten o'clock Friday night.
是的， 我们将于星期五晚上十点钟左右开车抵达。
At what time can we work out a deal?
我们什么时候洽谈生意？
What did Wang Wei write about in her letter?
王伟在信里写了什么？