Nafion
n. 全氟磺酸；电解质
🗣️ 情景例句
Shantou is a boom town, it's a haven for the manufacturing industry.
汕头是一个新兴的城市，是制造业的港湾。
He is a man of his word.
他是守信的人。
Don't say that before you look at the picture. Turn it on.
未看图像之前先别这样说。打开。