| 单词 | counterstain |
| 释义 | Word Frequency counterstain(ˈkaʊntəˌsteɪn) verb microscopy 1. to apply two or more stains in sequence to (a specimen to be examined), each of which colours a different tissue 2. (tr; usually passive) to apply (one of a series of stains) to a specimen to be examined haematoxylin is counterstained with eosin |
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