Pentanediol
戊二醇
🗣️ 情景例句
I wore it when I married your father.
我和你父亲结婚时戴着它。
It took him a long time to make up his mind.
下决心花了他很长时间。
why have we had no visitors from outer space yet?
那么我们为什么还未见到外层空间来访的客人呢？