Nafion
n. 全氟磺酸；电解质
🗣️ 情景例句
OK, Carl.
好的 ，Carl。
I certainly didn't intend to cause you so much inconvenience.
我当然不打算引起你如此多的不方便。
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。