Poly (vinylidene fluoride)
[化] 聚1,1-二氟乙烯; 聚偏氟乙烯; 聚偏二氟乙烯
🧩 词语组成解析
n. 理工学院, 工艺高等专科学校\\n[化] 聚尿苷酸
🗣️ 情景例句
If you don't think it's any good, Please say so.
如果你认为写得不好，请照实说。
Whew! It's hot!
哇！好热！
No, Mrs Brown. Your son's trouble is very common these days. It happens all the time. It comes and goes very quickly. He'll get well soon.
是的，布朗太太。你儿子的毛病现在是极常见的，经常有的。它来得快，去得也快。他不久就会好的。