Off came her sneakers and on went a pair of stilettos.
她脱下运动鞋,穿上一双细高跟鞋。
《柯林斯英汉双解大词典》
2
He's always trying to pair me off with his cousin.
他总想把我和他表弟配成一对。
《牛津词典》
3
In 1919, for example, a humpback whale with a pair of leglike appendages over a metre long, complete with a full set of limb bones, was caught off Vancouver Island in Canada.