Kel-f (elastomer)
[化] (商)凯尔-F橡胶; 聚三氟氯乙烯橡胶
🧩 词语组成解析
n. (Kel)人名；(俄)凯尔
🗣️ 情景例句
Richard told us all about you.
Richard跟我们谈起你 。
A crow is never the whiter for washing herself often.
乌鸦不管怎样经常洗澡，也不会变白。
There!
哎呀！