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sperm: n. 精子;精液;鲸蜡油 复数 sperms或sperm semen: n. 精液;精子 n. (Semen)人名;(罗、土)塞门;(俄)谢苗 复数 semens或semina sperm更强调是精子,而semen是更强调精液及富含精子生存所需要的各种营养物质。

What is the difference between sperm and semen? Answer: Semen or seminal fluid is the whitish viscous fluid emitted from the male reproductive tract that contains sperm & liquids (seminal plasma) that help keep them viable. Spe...

The term sperm is derived from the Greek word (σπέρμα) sperma (meaning "seed") and refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in t...

sperm whale是Spermaceti Whale的词尾省略形式。Spermaceti Whale就是"产鲸脑油的鲸鱼"的意思。鲸脑油(spermaceti)又称为鲸腊,是一种白色的腊状物质,其名称源自拉丁文 sperma 与 ceti,意思分别是“精子、精液”与“鲸”,当初发现时被人误以为...

sperm: n. 精子;精液;鲸蜡油 复数 sperms或sperm semen: n. 精液;精子 n. (Semen)人名;(罗、土)塞门;(俄)谢苗 复数 semens或semina sperm更强调是精子,而semen是更强调精液及富含精子生存所需要的各种营养物质。

可数名词

sperm强调是精子,而semen则更强调是精液及富含精子生存所需要的营养物质。 sperm: n. 精子;精液;鲸蜡油 复数 sperms或sperm semen: n. 精液;精子 n. (Semen)人名;(罗、土)塞门;(俄)谢苗 复数 semens或semina 英语字母与拉丁字母现代英语...

当然有了, 精液由精子和精浆组成,其中精子占5%左右,其余为精浆。它除了含有水、果糖、蛋白质和脂肪外,还含有多种酶类和无机盐。精子由睾丸产生。精浆由前列腺、精囊腺和尿道球腺分泌产生。 有生育力的正常男性一次射精量为2-6毫升,平均3.5m...

Smokingisbadforpeople’shealth.Therearemorethanhalfpeoplesmokinginchina,eventhoughsmokingisverybad,smokersbecomemoreandmore.Thesesmokersareyoungerandyounger,evensomestudentssmoke,too.Whydosomanypeoplesmoketoday?Becausesomepe...

在睾丸中啊,睾丸可以产生精子,还可以分泌雄性激素 精液由精子和精浆组成,其中精子占10%,其余为精浆。它除了含有水、果糖、蛋白质和脂肪外,还含有多种酶类和无机盐。精液中含有锌元素。 精子由睾丸产生。精浆由前列腺、精囊腺和尿道球腺分...

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