sperm [spɜ:m]以下由轻松背单词网站提供
单词级别第8级基本释义n.精子,精液英英释义a reproductive cell produced by a male animal参考例句Only one sperm fertilises an egg. 只有一个精子使卵子受精。In human reproduction, one female egg is usually fertilized by one sperm. 在人体生殖过程中,一个精子使一个卵子受精。 推荐阅读 |