Nafion
n. 全氟磺酸；电解质
🗣️ 情景例句
Lots of people are tired of higher taxes.
许多人对于增税很厌烦。
Who knows not how to dissemble knows not how to live.
掩饰感情全不会，怎样生活必不知。
There is a cup on the table, too.
桌子上还有一只杯子。