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单词
helium
释义
helium
noun
uncountable
chemistry
UK
/
ˈhiːliəm
/
DEFINITIONS
1
1
a chemical element which is a gas that is lighter than air. Its symbol is He and it is often used for lifting large balloons.
Synonyms and related words
Gases
acetylene
ammonia
argon
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminium
helium
noun
uncountable
chemistry
US
/
ˈhiliəm
/
DEFINITIONS
1
1
a chemical element which is a gas that is lighter than air. Its symbol is He and it is often used for lifting large balloons.
Synonyms and related words
Gases
acetylene
ammonia
argon
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminum
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更新时间:2025/3/25 0:45:52