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单词
niacin
释义
niacin
ni
a
cin
/
ˈnaɪəsɪn
/
noun
[uncountable]
Etymology
ETYMOLOGY
niacin
Origin:
1900-2000
nicotine
+
acid
+
-in
chemical compound
science
,
biology
a type of
vitamin
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be
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beach
beach ball
beach bunny
beach chair
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beachfront
beachhead
beach volleyball
beachwear
beacon
bead
beaded
beading
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beam
bean
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更新时间:2025/1/9 10:35:22