Perfluorodimethylcyclohexane
全氟二甲基环己烷
🗣️ 情景例句
We'd all like to believe that we have a bright future ahead of us.
我们都愿意相信我们的前面是一个美好的不未来。
To have a baby
有了孩子
What are you doing?
你在干什么？