定义
a pair: 一双,一对 
            
            
I only have one pair of hands.  我只有一双手。
During the field trip, the children must walk in pairs.  在野外旅行期间,孩子们必须结成对走。
他们俩是很好的一对。
to pair: 配对,使成对 
            
            
It was a good idea to pair Paola with Polly.  把帕拉和波利凑成一对是个好主意。
- "And where shall I put this pair of boxer shorts with hearts on them?"
- "Host : I am a pair of organs located in the chest, I am made up of two spongy sacks."
- "Donna : $215 for the pair."
- "Each pair comes with a plastic moustache attached, too!"
- "Horatio : No, it's not a drink, just a real pair of metal scissors for... cutting things."
- "I am a pair of organs in the abdominal region of the body."
- "$400 for the pair."
- "Edward : Actually, a pair of vintage Elkie Johns sunglasses."
- "PS: Don't forget to bring a pair of swimming trunks and a rifle."

