pair

干净的一双

used for items of clothing, e.g. a clean pair of socks

用于衣物，例如：一双干净的袜子

two items that are designed to be used or seen together

相同的一对

two items that are exactly the same

两个完全一样的物品

幸福的一对

a newly married couple

指新婚夫妇

奇怪的一对

two people who are surprisingly together or friends

指两个出人意料地在一起或成为朋友的人

筑巢的一对

a pair of birds building or inhabiting a nest

正在筑巢或栖息在巢中的一对鸟

繁殖对

a male and female animal kept for reproduction

为繁殖而饲养的一对雄性和雌性动物

a male and female animal that are mating or will mate

animals that have only one mate at a time

一对中的一个

referring to one of two matching items

指两个相配物品中的一个

成对地

working or arranged in groups of two

以两人一组的方式工作或安排

在一对中

as one of two items

作为两个项目之一

成为（很好）的一对

to be suitable partners or companions

成为合适的伴侣或同伴

匹配这对

to find two people who are suitable for each other

找到两个彼此适合的人

一双/对/副

used for two things that are used together, such as shoes, or a single item with two parts, such as scissors

用于两个一起使用的东西（如鞋子），或一个有两部分的东西（如剪刀）

一对交配

when a pair of animals comes together to reproduce

当一对动物为了繁殖而结合时

一对繁殖

when a pair of animals reproduces

当一对动物繁殖时