Fluoroplastic
n. 氟塑料
🗣️ 情景例句
You look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
What can you suggest?
你有什么建议吗？