单词 | carbon dioxide |
释义 | ☞ carbondioxideˌcarbon diˈoxidenoun [u] (symbol co₂) a gas that has no colour or smell that people and animals breathe out of their lungs 二氧化碳 carbon di·ox·ide /ˏkɑrbən daɪ`ɑksaɪd; ˌkɑːbən daɪˈɒksaɪd/n [u]the gas produced when animals breathe out or when carbon is burned in air 二氧化碳 |
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