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单词 argon
释义

argon

noun
/ˈɑːɡɒn/
/ˈɑːrɡɑːn/
[uncountable]
(symbol Ar)
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  1. a chemical element. Argon is a gas that does not react with anything and is used in electric lights.
    Word Originlate 19th cent.: from Greek, neuter of argos ‘idle’, from a- ‘without’ + ergon ‘work’.
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更新时间:2024/12/23 16:17:26