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
Sure. Where are you going?
当然。您要去哪里？
I'm here on business.
我来这里出差。
but Captain Fawcett did not take him because the trip was too dangerous.
弗西特机长之所以不送他去，是因为那段飞行太危险了。