Orohydrography
地形水文学, 山地水文学
🗣️ 情景例句
Thank you for your good cooperation.
谢谢你们的大力合作。
What is the hottest area in this country?
这个国家最热的区域是哪里？
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。