柯林斯词典drop-off (drop-offs) 1. N-COUNT A drop-off in something such as sales or orders is a decrease in them. (銷售或訂單等的)下降[美國英語] [N 'in' n] ...a sharp drop-off in orders from Asia. ...來自亞洲訂單的一次大幅降低。 返回 drop-off