形容词背靠背的; 连续的，一个接一个的

名词连排式房屋（侧面和背面相连接）（英式英语）

1. （胜利等）一个接着一个的，连续的
Back-to-back wins or victories are victories that are gained one after another without any defeats between them.

e.g. ...their first back-to-back victories of the season.
他们在本赛季的第一次连胜

adj

1. one after the other

e.g. back-to-back home runs

Synonym: consecutive