Paleohydrology
古水文学
🗣️ 情景例句
Have you been getting enough rest?
你休息的足够吗？
We should keep them informed of what is going on here.
我们应该让他们知道这里发生的事情。[分词作定语]
What is the name of the machine?
机器的名字叫什么呢？