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carbon dioxide
US /ˈkɑrbən daɪˈɑksaɪd/
・UK /ˈkɑ:bən daɪˈɔksaɪd/
B2 中高級
n. (u.)不可數名詞二氧化碳
The carbon dioxide levels in the Earth's atmosphere are rising
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為什麼抽菸會顯老、雪是白色的？替你解惑四個你一定好奇過的小知識！(Why Smoking makes People look Old?)
- In this process, the glucose, with the help of oxygen, is completely broken down to produce energy, water and carbon dioxide.
在此過程中, 葡萄糖在氧氣的幫助下被完全分解, 以產生能量、水和二氧化碳。
雖然負面作用一大堆，但是吸菸...感覺真棒?! (Smoking is Awesome)
- Cigarette smoke is 95% gases like carbon dioxide and water vapour.
香菸煙霧中 95% 是二氧化碳和水蒸氣等氣體。
- They have very thin walls, so that the oxygen can transfer to your blood and carbon dioxide can leave.
它們的壁非常薄，因此氧氣可以轉移到你的血液中，二氧化碳可以離開。
10個史上最驚人的寶藏大發現！ (10 BIGGEST TREASURES Ever Discovered!)
- Carbon dioxide from my lungs.
（緊張地輕笑）
- Carbon dioxide from my lungs.
從我的肺出來的二氧化碳。
BBC 六分鐘學英文 2016年7月28日 - 文化遺產地！ (BBC 6 Minute English July 28, 2016 - Heritage sites)
- But the species diversity and the visual aesthetics of the reef may change quite considerably, especially if you get an increase in sea temperature and increase in carbon dioxide in the water and things like that.
或旨在對當地文化和環境影響較小的旅遊。
- Hmm, for example, a rise in sea temperature would cause a rise in carbon dioxide levels,
你應該為聯合國教科文組織工作！
氣候變遷大解密！ (Climate Change Explained)
- The most important evidence comes from the study of past climate conditions, which clearly show that every time the amount of carbon dioxide in the air rises, the Earth warms up, ice melts,
簡直像殭屍大軍席捲全球，只是換成飢荒罷了；
- humans are pumping carbon dioxide into the air far faster than nature ever has before us.
大城市以及我們辛苦扶植的社會或科學發展成果，
藍光 LED 改變世界的驚人故事！ (How Blue LEDs Changed the World)
- It's estimated that switching all lighting to LEDs would reduce annual carbon dioxide emissions by about the same amount as that produced by three-quarters of the cars in the U.S.
據估計，要是將所有的燈都換成 LED，年碳排放量將減少相當於美國三分之二的汽車排放。
- It's estimated that switching all lighting to LED would reduce annual carbon dioxide emissions by about the same amount as that produced by three-quarters of the cars in the US.
光合作用！ (Photosynthesis)
- Water and carbon dioxide. And so how does a plant grow? It's basically taking water
这里有什么呢？这个是蛋白质。 所以我们把这些东西合起来叫做光反应系统。
- in from its roots and it's taking carbon dioxide in through its leaves. Through its stomata.
所以第一个是光反应系统二，然后是光反应系统一。我们把第一个叫做光反应系统二而把第二个叫做光反应系统一的原因是光反应系统一首先被发现。 所以，什么进来呢？光进入了 光用来做什么呢？光用来给电子提供能量使电子在电子传递链中移动。
我們怎麼知道外星行星的空氣是什麼樣的呢？ (How Do We Know What Air is Like on Other Planets?)
- and HD 209458b, a Jupiter-sized exoplanet orbiting the star HD 209458, which is 154 light-years away, has an atmosphere that contains hydrogen, carbon, oxygen, sodium, carbon dioxide, methane, and
的木星大小的系外行星，擁有一層大氣
- that contains hydrogen, carbon, oxygen, sodium, carbon dioxide, methane, and even water vapor.
包含氫、碳、氧、鈉、二氧化碳、甲烷，甚至水蒸氣。