Undercrowding
欠拥挤度, 过疏
🗣️ 情景例句
Never pump gas with the engine running.
发动机在运转时，别加油。
The house shows the owner.
文如其人。
He gets into the lift. It takes him down to the first floor.
他进入电梯。他乘电梯下到1楼。