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
It's still raining. I want to play tennis.
仍然在下雨。我想打网球。
She bursts into laughter.
她突然笑出声来。
I sure am.
嗯，可以签了