400
four hundred
🗣️ 情景例句
You did a great job.
做得好。
Lend me your notes.
笔记借我抄。
We endeavour to avoid the old, romantic idea of a gusher, which wastes oil and gas.
我们尽量避免使用陈旧天真的喷井方法，那样会浪费石油和天然气。