Poly(vinyl fluoride)
[化] 聚氟乙烯
🗣️ 情景例句
Could I trouble you with something for a moment please?
请问可以麻烦你一下吗？
You roll my log and I'll roll yours.
互相吹嘘。
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.
未来的几代人有可能难以相信，在这个世间曾经有这样的一个人行走过。"