Topocline
地理渐变群, 地区渐变群
🗣️ 情景例句
I'm sorry, Carl.
很抱歉 Carl。
My cousin is a member of a drama club, He seems acting.
我的表兄是一个戏剧俱乐部成员，他似乎很喜欢表演。
They are working hard on the farm. The children are picking apples.
他们正在农场卖力地干活。孩子们在摘苹果。