Perfluoroalkyl
[化] 全氟烃基
🗣️ 情景例句
Can I use your car for a couple of hours?
我们能借你的车用几个小时吗？
A friend in court is better than a penny in purse.
曩中有钱，不如朝中有友。
We are in the same boat.
我们的处境相同。