Physiographer
n. 地文学者, 地貌学者, 自然地理学家
🗣️ 情景例句
I am studying two majors, and it's quite a burden on my time.
我有两门主修课，这占据了我很大一部分时间。
He seems very serious, but in fact he has a delightful sense of humor.
他看上去很严肃，其实很诙谐。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，