Ecoengineering
[化] 生态工程
🗣️ 情景例句
Let's talk business.
我们来谈谈正经事。
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？
Were you able to quote on all the items we need?
我们需要的每个项目你都能报价吗。