남성의 생식 기관에서 분비되는, 정자를 포함한 유백색의 액체.
The thick, whitish reproductive fluid produced by the male reproductive organs, which contains sperm cells.
예문:
"The laboratory analyzed the semen sample to determine the sperm count and motility."
"In many species, semen is transferred to the female during the process of mating."
"Advances in cryopreservation allow for the long-term storage of semen for artificial insemination."