单词
sperm
读音
spɜːrm
美式
英式
词根
无
释义
n. 精子；精液；鲸蜡油 [ 复数 sperm或sperms ]
例句
The male sperm fertilizes the female egg.
雄性的精子使雌性的卵子受精。
It only takes one sperm to fertilize an egg.
只需一个精子就可以使卵受精。
Conception 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。
The male sperm fertilizes the female egg.
雄性的精子使雌性的卵子受精。
It only takes one sperm to fertilize an egg.
只需一个精子就可以使卵受精。
Conception 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。
强化记忆
无
看视频学发音
for starters, "absentee father,""sperm donor" --that's a good one --
that insects even ejaculate on them,wasting valuable sperm.
Animals who are deprived of vitamin A in their dietstop making spermand restart making sperm again when the vitamin A is reintroduced.
Difference human/Neanderthalis sperm and testis,smell and skin.
The blockade of this enzyme should deprive the testes of retinoic acidand stop sperm productionwithout affecting vitamin A's functions elsewhere in the body.
所属分类
大学,出国,其他
所在词典
