Polyfluoroethylene
聚氟乙烯
🗣️ 情景例句
If we land a man on the moon, I think someone could surely invent a toaster that works properly.
如果我们能让人类登陆月球，我想一定会有人能发明在月球上还能正常运行的烤面包机。
We must stress that these payment terms are very important to us.
我们必须强调这些付款条件对我们很重要。
In the evening I do my homework.
晚上我做作业。