Ecotechnology
n. 生态工法，生态技术
🗣️ 情景例句
I'm not really sure.
我不是太有把握。
Do you have a book?
你有一本书吗？
And you ought to get a few large rocks to put in the tank.
还有，你应该弄到几块大点儿的岩石，放进水箱里。