spermatia

例句：

1. 1. The spermatogeniccells are responsible for producing spermatozoa.
   生精细胞负责产生精子。
2. 2. Thestudy of spermatogenesis is crucial forunderstanding male fertility.
   研究精子发生对于理解男性生育能力至关重要。
3. 3. The spermatogenic process involves the production and maturation of spermatozoa.
   精子发生过程涉及精子生产和成熟。