sperm信息详情
n.精子；精液；鲸蜡油
-sperm───n.精子；精液；鲸蜡油
sperm-───n.精子；精液；鲸蜡油
sperms───n.精子；精液；鲸蜡油
perm───n.电烫发；vt.烫（发）；n.(Perm)人名；(泰)本
oosperm───n.[胚]受精卵
spermic───adj.种子的；精子的
spermo-───精子-
deperm───v.使消磁
spears───n.矛，长矛；叶片（spear的复数形式）
occurs when a single sperm fuses with an egg.───当一个精子和一个卵子结合时受孕就发生了。
It only takes one sperm to fertilize an egg.───只需一个精子就可以使卵受精。
The male sperm fertilizes the female egg.───雄性的精子使雌性的卵子受精。
But sperm don't have elaborate cells, just a tightly packed nucleus and a tail for swimming to the egg.───但是精子没有明确的细胞结构，只有一个紧密组装的细胞核以及一个便于游动到卵细胞的尾巴。
Starting with a person's own skin would also mean the lab-grown sperm or eggs would not be rejected by the body.───利用某人自身的皮肤进行制备也就意味着，这种实验室培养的精子或卵子不会遭人体排斥。
When I did try to gain just a touch of freedom by retracing a few steps, I felt like a sperm trying to swim the other way.───当我试图折回几步，享受一点点自由时，感觉就像一个精子试图调头游那么艰难。
Biologists have been trying to make sperm outside the body for almost a century.───将近一个世纪以来，生物学家都在尝试体外培育精子，却总是在减数分裂时期失败。
When this little baby grow up and that for her mother who donated sperm, that is, de facto father, love each other know each other.───当这个小婴儿洁莹长大后和那个为她母亲捐献精子的人，即事实上的父亲，相遇相知相爱。
while sperm can survive for several days inside a woman ' s reproductive tract , an egg can only survive for up to 24 hours after ovulation.───精子可以在女性生殖道内存活数日，而排卵后卵子仅能存活24小时。