Orohydrography
地形水文学, 山地水文学
🗣️ 情景例句
She always reminds him of Grandma. Susan
总是让他想起奶奶。
I am sorry Mr. Chen is unavailable, would you like to speak to anyone else?
抱歉陈先生不在，你要不要跟其他人讲话？
Really? What's the trouble?
真的？怎么啦？