Underpinn
v. 从下头支持;支撑;援助
🗣️ 情景例句
Certainly, sir. The elevators are right across the lobby.
当然可以，先生。电梯就在大厅的正对面。
And I got it on sale.
我在大减价时买的。
Diamond necklaces and rings had been beautifully arranged on a background of black velvet.
钻石项链、戒指漂亮地陈列在黑色丝绒上面。