二 氧 化 碳

èryǎnghuàtàn

“Carbon dioxide CO2” in Chinese is 二氧化碳 (èryǎnghuàtàn).

Meaning

carbon dioxide CO2

Example

树木排出氧气，吸收二氧化碳。

Trees give off oxygen and absorb carbon dioxide.

Example sentence from Tatoeba (CC BY 2.0).

Characters

èrHSK 12 strokestwo yǎngHSK 610 strokesoxygen (chemistry)huàHSK 34 strokesto make into tànHSK 7-914 strokescarbon (chemistry)

More HSK 7-9 words

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