单词	counterstain
释义	counterstain verb coun·​ter·​stain ˈkau̇n-tər-ˌstān  counterstained; counterstaining; counterstains transitive verb : to stain (something, such as a microscopy specimen) so as to color parts (such as the cytoplasm of cells) not colored by another stain (such as a nuclear stain) counterstain noun Word History First Known Use 1895, in the meaning defined above Medical Definition counterstain 1 of 2 noun coun·​ter·​stain -ˌstān  : a stain used to color parts of a microscopy specimen not affected by another stain especially : a cytoplasmic stain used to contrast with or enhance a nuclear stain counterstain 2 of 2 transitive verb : to stain (a tissue or microscopy specimen) with an additional usually contrasting color
随便看	acciaccatura acciaccaturas accidence accidences accidens accident accident insurance accident of birth accident of nature accident-prone accidental accidental error accidental means accidentalism accidentalist accidentality accidentally accidentally on purpose accidentalness accidentalnesses accidentals accidentary accidented accidentia accidently

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。