Hanzi Grove
二氧化碳
Old HSK 6

二氧化碳 (èryǎnghuàtàn) · carbon dioxide

二氧化碳 (èryǎnghuàtàn) means “carbon dioxide”. It is written with 4 characters: 二 (two) + 氧 (oxygen) + 化 (-ize) + 碳 (carbon). It is an old HSK 6 word (HSK 2.0).

How 二氧化碳 is built

The characters

二 èr · two

What 二 is made of

Origin hint: Two parallel lines; compare 一 (one) and 三 (three) (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)

氧 yǎng · oxygen

What 氧 is made of

化 huà · -ize

What 化 is made of

碳 tàn · carbon

What 碳 is made of

Example sentences

植物能吸收二氧化碳。Zhíwù néng xīshōu èryǎnghuàtàn.Plants can absorb carbon dioxide.
汽车会排出大量二氧化碳。Qìchē huì páichū dàliàng èryǎnghuàtàn.Cars give off large amounts of carbon dioxide.

Questions about 二氧化碳

What does 二氧化碳 mean?

二氧化碳 (èryǎnghuàtàn) means “carbon dioxide”.

How do you pronounce 二氧化碳?

二氧化碳 is pronounced èryǎnghuàtàn.

Which HSK level is 二氧化碳?

二氧化碳 is in Old HSK 6.

Related words

Learn 二氧化碳 with its group

It is part of Old HSK 6 · Group 49: a short group with quick checks and spaced repeats.

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