Cycloalkene
[化] 环烯
🗣️ 情景例句
We are going to
我们要
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
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。