0 a way of walking with one person behind another -- 单行，一路纵队
The schoolchildren were told to walk in single file. 小学生们被要求排成一路纵队前进。
The caterpillars are gregarious in all their instars, many times traveling in single file processions all over the food plant.
It supports collaborative writing; a feature that allows multiple authors to edit a single file in real time over a network.
This makes it possible to create programs which consist only of a single file and can thus be easily transported and distributed.
This track was so steep and narrow that all were forced to lead their horses in single file; making only very slow progress.
These measurements define the length of the channel in which permeant ions and water are constrained to diffuse in single file.
There might be a high hedge opposite the grid, and the animals might be coming up in single file towards that grid.
If those people marched in single file past a given point it would take them 10 days and 10 nights to pass.
Most aircraft, as soon as they were loaded and fueled, flew in single file, instead of line abreast, to the dropping points.
