Poly(vinyl fluoride)
[化] 聚氟乙烯
🗣️ 情景例句
Good night, Philip.
晚安， Philip。
Turn left at the first light. You can't miss it.
到第一排红绿灯处往左拐。你不会找不找的。
This is a rare occurrence as our climate seldom guest to extremes.
但是在我们这里，气候很少发生异常，河水极少泛滥。