Pentone
缬烯炔, 异戊烯炔
🗣️ 情景例句
I'm too sick to even get out of bed.
我病得都下不了床了。
What's the size of your shoes?
你的鞋多大尺寸？
Do you remember the first time we met?
你还记得我们第一次见面的情况吗？