獻血

献血
xiànxuè
to donate blood

CEDICT

Entry Composition

1 獻 xiàn
  1. to offer
  2. to present
  3. to dedicate
  4. to donate
  5. to show
  6. to put on display
  7. worthy person (old)
2 血 xuè
  1. blood
  2. colloquial pr. xiě

classifiers: 滴, 片