1 عمومی:: صف نظامی كه یكی یكی پشت سرهم باشند، یك ردیف، ستون
شبکه مترجمین ایران
1 general:: Phrase(s): single file a line of things or people, one person or one thing wide. (See also in single file.) • Please get into single file. • You have to march single file.
McGrawhill's American Idioms And Phrasal Verbs