Ecoengineering
[化] 生态工程
🗣️ 情景例句
I know the owner very well.
我和老板很熟。
I have to hang up now.
我现在不得不挂电话了。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。