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单词
negative staining
释义
negative staining
noun
:
a method of demonstrating the form of small objects (as bacteria) by surrounding them with a stain that they do not take up so that they appear as sharply outlined unstained bright bodies on a colored ground
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protuberate
protungulata
ductwork
ducula
dud
dudaim
dudaim
dudaim melon
duddie
duddy
dude
dude
dudeen
dudelsack
dude ranch
dude up
dude wrangler
dudgen
dudgeon
dudheen
dudine
dudish
dudishly
dudism
dudley
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更新时间:2026/7/21 12:52:03