Polyfluoroethylene
聚氟乙烯
🗣️ 情景例句
You pay there. I have the next group to go down. I'll see you soon then.
你在那儿付钱。我带的下一个团就是要下去的。回见！
A near friend is better than a fardwelling kinsman.
近友胜远亲。
It doesn't matter. It's not important. But my friends call me Jim for short.
没关系。这不重要。不过我的朋友们为了简便都叫我吉姆。