a pair of

• 一对； 一双

a pair of的用法和样例：

例句

1. Lot 99 is a pair of antique vases.
   第九十九批拍卖品是一对古瓶。
2. The plow was pulled by a yoke of oxen.
   一对公牛同轭拉着一头犁。
3. Tom often wears a pair of brown shoes.
   汤姆常穿一双褐色皮鞋。