Norbornene
[化] 降冰片烯
🗣️ 情景例句
I miss them very much.
我非常想他们。
My brother wants to learn how to speak Chinese.
我的兄弟要去学中国话。
the plentiful supply of food thrown overboard by the crews on the rigs;
钻井平台工作人员抛到海里充足的食物；