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词语精子拆分为汉字：
精字的拼音、笔画、偏旁部首、笔顺、繁体字，精字字源来历，精字演变
上好的白米：“食不厌～”。细密的，与“粗”相对：～密。～细。～确。～制。～读。～选。～心。～研。～雕细镂。聪明，思想周密：～悍。～敏。～明。物质中最纯粹的部分，提炼出来的东西：～华。～英。～神（ａ．指人主观世界，包括意识、思维活动和一般心理……
子字的拼音、笔画、偏旁部首、笔顺、繁体字，子字字源来历，子字演变
1. 子 [zǐ]子 [zǐ]古代指儿女，现专指儿子：～女。～孙。～嗣。～弟（后辈人，年轻人）。植物的果实、种子：菜～。瓜～儿。～实。动物的卵：鱼～。蚕～。幼小的，小的：～鸡。～畜。～城。小而硬的颗粒状的东西：～弹（dàn ）。棋～儿。与“……
汉语拼音：jīng zǐ
反义词：卵子
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。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。He and his wife bought donor vials from a cryogenic sperm bank and he was inseminated at home.
比提与妻子从一个冷冻精子银行买回精子，并在家接受了“人工受精”。Bone marrow cell micronucleus test and mice sperm abnormality test had negative results and there was no mutagenicity.
其小鼠骨髓细胞微核和精子畸形试验均为阴性，未显示出致突变性。The result of this process is sperm cells ready to fuse with an egg.
减数分裂的结果就是使精子细胞和卵细胞结合。Their study discovered that it did not matter if the man was fat or thin - such a diet had the same negative effect on sperm concentration.
他们的研究发现，男性不管是胖还是瘦，这种富含饱和脂肪的食物都会大大降低精子浓度。