ladies' room

1. There may be a picture or some other sign on the door indicating whether it is a men's or a ladies 'room.
   有的在门上可能画个图形或其它标志，以示男女之别。
2. One evening, as usual, the lad turned off the lamps in the ladies 'room and men's room. The only lavatories are foul-smelling public ones.
   一天晚上，像往常一样，小伙子关上公共女厕和公共男厕的灯。仅有的洗手间是臭气熏天的公共厕所。

noun

1. a woman's restroom in a public (or semipublic) building

   Synonym:    powder room