1
- chiefly Brit. (of houses) built in a continuous terrace divided along its length by a party wall or a narrow alley, to produce two terraces of houses〈主英〉（住宅）连栋的。
2
- consecutive连续的：
his back-to-back victories in the Hungarian and Belgian grands prix.
他在匈牙利和比利时国际大奖赛上的连续胜利。
- a house in a back-to-back terrace连栋住宅中的一幢。
adverb
back to back
1
- (of two people) facing in opposite directions with their backs touching（两个人）背靠背地。
2
- consecutively; in succession连续地：
the games were played back to back.
比赛一场接一场地进行。