请输入您要查询的英文单词：
单词
nitrous oxide
释义
nitrous oxide
noun
uncountable
chemistry
UK
/
ˌnaɪtrəs ˈɒksaɪd
/
DEFINITIONS
1
1
a gas used in the past by doctors and
dentists
to prevent people feeling pain during a medical operation
Synonyms and related words
Gases
acetylene
ammonia
argon
nitrous oxide
noun
uncountable
chemistry
US
/
ˌnaɪtrəs ˈɑkˌsaɪd
/
DEFINITIONS
1
1
a gas used by doctors and
dentists
to prevent people from feeling pain during a medical operation
Synonyms and related words
Gases
acetylene
ammonia
argon
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top dressing
topee
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top ender
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top-heavy
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更新时间：2025/12/26 12:54:14