单词	single file
释义	English American single filenoun [ S ] uk/ˌsɪŋ.ɡəl ˈfaɪl/us/ˌsɪŋ.ɡəl ˈfaɪl/ a way of walking with one person behind another: The schoolchildren were told to walk in single file. Thesaurus: synonyms and related words Things collected in lines or rings column crocodile file line queue rank ring rope row 1 string thread tier train single filenoun [ U ] us/ˈsɪŋ·ɡəl ˈfɑɪl/ a line with one person behind another: The children walked single file down the hall.
随便看	feel sb up feel sb up feel sb/sth out feel someone/something out feel something in your bones feel sorry for yourself feel strange feel strongly about sth feel the cold feel the pinch feel the pinch feel up to something feel your age feel your way feel-good feel-good factor feel/take/face the heat feeler feelgood factor feeling feeling feelingly feelings feet feet