释义 |
DEFINITIVE EXAMPLES 权威例句〔differentiation〕Spermatids must undergo further differentiation to produce functional sperm.精子细胞必须进一步分化才能产生功能良好的精子。外研社新世纪〔germ cell〕An ovum or a sperm cell or one of its developmental precursors.生殖细胞:一个卵子或精子细胞或其由之发育而来的细胞美国传统〔homunculus〕A miniature, fully formed individual believed by adherents of the early biological theory of preformation to be present in the sperm cell.雏型人:一个微型的,充分成形的个体,早期生物理论预说的拥护者认为它存在于精子细胞中美国传统 |