Oleum copaibae
[医] 古巴香油
🧩 词语组成解析
n. 发烟硫酸\\n[化] 发烟硫酸
🗣️ 情景例句
I should have quit while I was ahead.
我应该见好就收。
First, language is very important.
首先，语言是非常重要的。
Many of them have to wait six months for their goods.
许多顾客不得不等上半年才得到所需的商品。