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单词
litmus
释义
litmus
lit
mus
/
ˈlɪt˺məs
/
noun
[uncountable]
Etymology
ETYMOLOGY
litmus
Origin:
1300-1400
Old Norse
litmosi
, from
litr
coloring substance
+
mosi
moss
science
,
chemistry
a chemical that turns red when touched by acid, and blue when touched by an
alkali
随便看
Arctic Circle
Arctic Ocean, the
arc welding
-ard
ardent
ardently
ardor
arduous
arduously
arduousness
are
area
area code
area rug
arena
Arendt, Hannah
aren't
Ares
Argentina
Argentinean
argon
argot
arguable
arguably
argue
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更新时间:2025/12/21 20:44:04