From the small space behind the seat, he took a knee-highpair of rubber boots, sitting on the running board to unlace his leather ones and pull on the others.
他从车座后面小小的空间拿出一双胶皮靴，坐在车的踏板上解开皮靴的带子换上。
2
She is wearing a pair of black high heels.
她穿着一双黑色高跟鞋。
3
A pair can be distinguished into high and low surrogates.