carbon dioxide

英 [ˌkɑːbən daɪˈɒksaɪd]

美 [ˌkɑːrbən daɪˈɑːksaɪd]

n.  二氧化碳

TOEFL化学

Collins.2

牛津词典

noun

• 二氧化碳
  a gas breathed out by people and animals from the lungs or produced by burning carbon

柯林斯词典

• 二氧化碳
  Carbon dioxideis a gas. It is produced by animals and people breathing out, and by chemical reactions.

英英释义

noun

• a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances
  Synonym:CO2carbonic acid gas

双语例句

• The thermal decomposition of calcium carbonate produces calcium oxide and carbon dioxide.
  碳酸钙加热分解，生成氧化钙和二氧化碳。
• You can liquefy the carbon dioxide to separate it from the other constituents.
  可以将二氧化碳液化，以便和其他成分分开。
• Methane is often regarded as the second most important greenhouse gas after carbon dioxide.
  甲烷常被认为是仅次于二氧化碳的重要温室气体。
• Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide
  火星的大气层极其稀薄，几乎全部由二氧化碳构成。
• Through this incision, the abdominal cavity is distended with carbon dioxide gas
  二氧化碳气体通过这个切口进入，造成腹腔肿胀。
• The proposed initiative would mandate a reduction of carbon dioxide of 40%
  倡议将强制规定把二氧化碳排放量降低40%。
• The lime water has turned cloudy, therefore carbon dioxide has been produced during the experiment.
  石灰水变得混浊了，可见在实验中有二氧化碳生成了。
• Carbon burns in oxygen or air, forming carbon dioxide.
  碳在氧或空气中燃烧，便形成了二氧化碳。
• They may decompose glucose into hydrogen, carbon dioxide and methane.
  它们能把葡萄糖分解成氢气、二氧化碳和甲烷。
• Carbon dioxide is shipped and stored as a liquefied compressed gas in hollow steel and aluminum cylinders.
  二氧化碳作为液化压缩气体在空心钢瓶和铝瓶中运输和储存。