Understratums
n. 底层
🗣️ 情景例句
Sure.
当然可以。
On a crowded train, one comes in contact with many people.
在拥挤的火车里面，会和许多人接触。
Professors from the university in Paris would be coming down by train.
巴黎那些大学的教授们将会坐火车来这里。