Polydiene rubber
[化] 二烯橡胶; 聚二烯橡胶
🧩 词语组成解析
聚二烯
rubber
['rʌbɚ]
n. 橡胶;橡皮;决胜局;避孕套;
adj. 橡胶制成的;
vt. 涂橡胶于;用橡胶制造;
vi. 扭转脖子看;好奇地引颈而望;
rubb=rub相互磨擦+er名词后缀 → 能相互摩擦的 → 橡皮
🗣️ 情景例句
I'm sorry I missed him. I had to work late.
很抱歉我错过了他醒着的时候。我必须工作到很晚。
He hasn't answered my letter yet.
他还没有给我回信。
He has been sick for three weeks.
他已经病了几周了。