Perfluorodimethylcyclohexane
全氟二甲基环己烷
🗣️ 情景例句
How, Robbie?
怎么找， Robbie？
It matters not how long we live but how.
问题不是活得多么长，而是活得怎么样。
It is possible that there is a definite relation between these paintings and the markings that sometimes accompany them.
有时，这种图画与墙壁上的刻痕共存，它们之间可能有一定的联系。