释义 |
external agent eksˈtə:nlˈeidʒənt 短语¹⁴⁴⁹⁷²⁺² 基本例句 外营力 A structure or substance not normally present but produced by anexternal agentor action, such as a structure seen in a microscopic specimen after fixation that is not present in the living tissue.矫作物非正常出现而是由外界因素或作用所产生的一种结构或物质,如经固定后,在显微镜下才能看到的标本中的一种活生命组织中不会出现的结构 |