male external genital organs

例句：

1. 1. Male genitalorgans are essential for sexual reproduction.
   男性外生殖器官对于性繁殖至关重要。
2. 2. Thestudy of male genital organs is crucial for understanding human reproduction.
   研究男性外生殖器官对于理解人类生殖至关重要。
3. 3. Male genital organs play a vital role in the processof fertilization.
   男性外生殖器官在受精过程中起着至关重要的作用。