primary oogonium

例句：

1. 1.The primary oogonia are the cells that will eventually develop into eggs.
   初级卵母细胞是最终发育成卵子的细胞。
2. 2.During meiosis, the primary oogonia undergo a process called meiosis I to produce haploid gametes.
   在有丝分裂过程中，初级卵母细胞经历一种叫做有丝分裂I的过程，产生单倍体配子。
3. 3. In mammals, the primary oogonia are located in the ovaries and can be fertilized by spermatozoa.
   在哺乳动物中，初级卵母细胞位于卵巢中，可以由精子受精。