Norbornadiene
[化] 降冰片二烯
🗣️ 情景例句
What did you mean by well ...?
你说 嗯…… 的意思是什么？
I'm going to buy him another one.
我正要买给他另一个。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，