primitive sperm cell

例句：

1. 1. The study of the primitive sperm cell has led to important breakthroughs in genetics.
   对原始精子细胞的研究在遗传学领域取得了重要的突破。
2. 2. The discovery of this cell type could potentially revolutionize our understanding of fertilization and embryonic development.
   这种细胞类型的发现可能会彻底改变我们对受精和胚胎发育的理解。
3. 3. In some species, the primitive sperm cell is the only form of sperm found, indicating a unique reproductive strategy.
   在一些物种中，原始精子细胞是唯一发现的精子形式，这表明了一种独特的生殖策略。