Meanings of 二氧化碳
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Podcast: 二氧化碳
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AI Study Notes for 二氧化碳
Learners often confuse 二氧化碳 with other gases like 一氧化碳 (carbon monoxide). It's important to use the correct term, especially in scientific discussions. The term is neutral and used in both formal and informal settings, but it is predominantly found in environmental science contexts.
As an HSK 6 word, 二氧化碳 connects well with terms related to environmental science and chemistry. Students should focus on related vocabulary about gases, atmospheric conditions, and their implications in climate discussions.
Learners might mistakenly write 二氧化碳 as '二氧化' alone, omitting '碳.' Remember, the complete term is essential for clarity. Additionally, some may confuse its pronunciation, especially the tone on '碳'; it should be pronounced with a falling tone (tan4).
Pronunciation of 二氧化碳
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Its meaning, its character, its pinyin, its tone — hearing it, saying it, writing it. The Learning Lab measures each one from your own practice, on every word you study, so you see what you actually know rather than how much you have done.
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Component Characters
How to say carbon dioxide CÓ in Chinese
“carbon dioxide CÓ” in Chinese is二氧化碳
二氧化碳 refers to carbon dioxide, a colorless gas that is vital for life on Earth. It is produced by the respiration of animals and plants, and is also a byproduct of combustion. In scientific and environmental contexts, understanding this compound is essential, particularly regarding climate change and photosynthesis.
When to use 二氧化碳
Learners often confuse 二氧化碳 with other gases like 一氧化碳 (carbon monoxide). It's important to use the correct term, especially in scientific discussions. The term is neutral and used in both formal and informal settings, but it is predominantly found in environmental science contexts.
What learners get wrong
Learners might mistakenly write 二氧化碳 as '二氧化' alone, omitting '碳.' Remember, the complete term is essential for clarity. Additionally, some may confuse its pronunciation, especially the tone on '碳'; it should be pronounced with a falling tone (tan4).
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Practice writing 二氧化碳 stroke by stroke. Watch the animation to learn the stroke order, then try writing it yourself.
Grammar Patterns of 二氧化碳
二氧化碳 functions as a noun — it names a person, place, thing, or concept. Place it as a subject before the verb (主+谓) or as an object after the verb (谓+宾). Most Chinese nouns require a measure word between the number and the noun (e.g. 一个/三本). It carries 2 related meanings, each with its own usage notes below. The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.
Fill the gap
Type the missing word. Pinyin works; then pick the character.
碳化合物氧化后必然会产生____。
Carbon dioxide is a necessary result of the oxidation of carbon compounds.
Example Sentences for 二氧化碳 (4)
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Frequently Asked Questions about 二氧化碳
二氧化碳 (carbon dioxide) has two oxygen atoms, while 一氧化碳 (carbon monoxide) has one. This difference is crucial, as carbon monoxide is toxic.
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