A douche is a method of washing the vagina using a stream of water. You also refer to the object which you use to wash the vagina in this way as a douche .
VERB
冲洗，灌洗(女性阴道)
To douche means to wash the vagina using a stream of water.
1. a small syringe with detachable nozzles; used for vaginal lavage and enemas
2. irrigation with a jet of water or medicated solution into or around a body part (especially the vagina) to treat infections or cleanse from odorous contents
Verb
1. direct a spray of water into a bodily cavity, for cleaning