Ulmin
[化]棕腐质, 赤榆树脂
🔁 扩展释义
【医】 赤榆树脂
🗣️ 情景例句
I'm thinking.
我还在想。
In secondary school, children study mathmatic、phsicas and chemistry.
中学的小孩会读到数学、物理和化学。
but as the oceans have been overfished, fish has become more and more expensive.
但是随着海洋里的滥捕滥捞，鱼已经变得越来越昂贵。