| 单词 | sperm |
| 释义 | spermWord family nounspermaductspermariumspermatidspermatistspermatiumspermicidespermiogenesisspermogonesperm bankspermsperm whaleadjectivespermaticspermicspermicidalspermous Biology sperm /spɜːm $ spɜːrm/ noun (plural sperm or sperms) 1. HB[countableC] (also sperm cell) a cell produced by the sex organs of a male person or animal, which is able to join with the female egg to produce a new life 精子 2. [uncountableU]HB the liquid from the male sex organs that these cells swim in 精液 SYN semen 3. sperm count a medical measurement of the number of sperm a man has, which shows if he is able to make a woman pregnant 精子（计）数 Examples from the Corpus sperm count• Strictly speaking, there is as yet no definitive evidence for declining sperm counts.• It makes an interesting contrast with another related health issue: falling sperm counts.• As it turned out, his sperm count appeared normal but his wife continued to fail to conceive.• For the vast majority of men, the reason for a low sperm count can not be explained.• The only thing Rob could think up as a possible Hank Camden failure was the likelihood of a low sperm count.• Although that may seem like plenty, low sperm counts often are warnings of problems with sperm function.• And one has to remember that sperm counts also show a natural seasonal variation.• Men are still able to father children into their seventies, though their sperm count is lower than in their youth. Examples from the Corpus sperm• It makes an interesting contrast with another related health issue: falling sperm counts.• Many of his sperm do not even try to fertilize her eggs but instead either attack other sperm or block their passage.• Once it is penetrated by the single sperm, the egg becomes impervious.• This makes the sperm, like all rapidly developing cells, especially vulnerable to damage from chemicals or radiation.• All were then fertilised with sperm from her husband. (1300-1400) Late Latin sperma, from Greek, “seed” |
| 随便看 |
|
英汉双解词典包含283110条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。