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
Road rage is an increasing problem on today's roads.
现在飚车事件日益严重。
What did he say in the letter?
他在信里说什么了？
Supper is ready at six.
晚餐六点钟就好了。