Trans-1,4-polybutadiene
[化] 反-1,4-聚丁二烯; 反式-1,4-聚丁二烯
??? 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飛機,這也就限制了他們旅行時的選擇了。
Wow, you look like a devil.
唔,你簡直像個魔鬼。
She has been helping her husband for thirty years now.
她已經幫了她的丈夫30年了。
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