基本解释v.退缩回去; 出尔反尔v.追踪同根派生 back-track相关词英汉例句用作动词 (v.)The police are on the track of the gang.警方正在追踪那帮团伙。They even keep track of your birthday.他们就连你的生日都追踪着。back-track更多例句