| 例句 |
We crossed the bridge in single file.我们排成一路纵队过桥。They walked in single file.他们成纵队行走。We walked in single file across the bridge.我们排成一路纵队过桥。The children marched out one after the other in single file.孩子们排成一列纵队一个接一个地出场。The path was narrow and we had to proceed along it in single file.那条小路太狭窄，我们不得不成单行行进。They stood/walked in single file.他们排成一列站立/行走。They walked along in single file, following in each other's footsteps through the snow.他们排成一列纵队，一个人踩着前一个人的脚印穿过雪地。We were walking in single file to the lake.我们正排成一列朝湖边走去。The path was so narrow that we had to walk in single file.小路太窄了，我们只得排成一行跟着走。 |