Stratigraphers
(stratigrapher 的复数) n. 地层学家
🗣️ 情景例句
World-class athletes are extremely fit.
具有国际水平的运动员体格非常好。
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
I grew a beard during the trip.but I shaved it off when I came home.
我在旅行时留了胡子，但我回到家时就把它刮了。