Orohydrography
地形水文学, 山地水文学
🗣️ 情景例句
I think we should take care of the environment, so that we have something to leave for our children.
我觉得我们应该保护好自然，以便将来能给我们的子孙后代留下一些东西。
Don't break the rules.
不要违规。
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。