分类：教育/科学-外语学习-英语考试
问题："一对一对地"用英语怎么表达?一个一个地是onebyone那么" 
一个一个地 是one by one 
那么"一对一对地"应该怎么说呢?
谢谢!
回答：一对一对地

to come / move / enter / sell in pairs

e.g.
Students entered the auditorium in pairs.
These cups are sold in pairs.
Bad lucks often come in pairs.