Dendrohydrology
年轮水文学
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
How's your English coming along?
你英语学得怎样了？