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二氧化碳

èryǎnghuàtàn

carbon dioxide; CO2

HSK 6

Pronunciation

èryǎnghuàtàn

Example sentence

人类呼吸时会吸入氧气，呼出二氧化碳。

Rénlèi hūxī shí huì xīrù yǎngqì, hūchū èryǎnghuàtàn.

Humans inhale oxygen and exhale carbon dioxide when breathing.

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