常見例句

• A sperm cell develops from a sperm mother cell.
  精細(xì)胞從精母細(xì)胞發(fā)育而成。
• Only one sperm fertilizes an egg.
  衹有一個(gè)精子使卵子受精。
• The mate deposits sperm in the queen's sperm sac.
  帶翅的雄性蟻把精子存到蟻後的卵囊中。
返回 sperm cell