常見(jiàn)例句雙語(yǔ)例句Genetic markers showed the presence of partly-developed sperm cells called spermatagonial stem cells, which are an early phase of the male germ cell development.在某些細(xì)胞系中，細(xì)胞表麪抗原性或?qū)Ρ砼吣氐姆磻?yīng)方麪有相近似的周期性變化。 返回 male germ stem cells