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 was deeply impressed by his speech.
他的演讲给我留下深刻的印象。
This round table weighs about forty-five pounds.
这张圆桌子重大约45磅。
What do I have to do if I want to be thinner?
如果我想瘦一点的话，我得怎么做呢？”