Calamenene
[化] 去氫白菖烯; 1,6-二甲基-4-異丙基四氫萘
??? 情景例句
There's much more to be done.
要做的事太多了。
You should wear a heavy coat, It's below zero today.
你應(yīng)該穿一件厚大衣，因為今天在零度以下。
We need them urgently.
我們急需這些資料。