1. 一列纵队：single entry 简式记帐 | single file 一列纵队 | single lens reflex 单镜头

2. 直线纵队：Definitely partners.|绝对是伙伴 | Single file.|直线纵队 | You gotta aim. Aim the gun.|你得先瞄准才行

3. [军]一路纵队：Indian file [军]一路纵队 | single file [军]一路纵队 | on file 存档; 有案可查

4. 排成一排：8.Sit still 坐好 | 4. Single file 排成一排 | 5. Two files.. 排成兩排

noun

1. a line of persons or things ranged one behind the other

    Synonym: fileIndian file