副词鱼贯; 成一列纵队; 成单行
1. 成一列纵队：in silhouette 成剪影 | in single file 成一列纵队 | in situ 在原位置
2. 排成一队：青面獠牙 a green-faced, long-toothed monster | 排成一队 in single file | 有几分 kind of
3. 依次; 成纵队：in silence 沉默地 | in single file 依次; 成纵队 | in smooth water 处于顺境中
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1. They were brought in and out in single file, chained together at the wrists and wearing ankle chains.
2. The teams of skaters, in single file and close together moved with perfect coordination like express trains.
3. Two classes shared one staircase, but the students in one class had to file out in a single line.
4. I still remember the long single file of cars on St Patrick Street leading to King Edward and Hull in Ottawa.
5. The restless crowd suddenly fell silent as about 40 monks processed in single file and took up their positions to the right of the Buddha.