Undation
陆地或海底大面积的上升或下降运动
🗣️ 情景例句
He is a leader in his field.
他是他行业的领导者。
How long is Jones Boulevard?
琼斯大街有多长？
You are John Smith, the engineer,aren't you?
你是工程师约翰。史密斯，对吗？