Carbon

1Carbon has a valency of 4.碳的化合價是4價。《牛津詞典》

2CO is the formula for carbon monoxide.CO是一氧化碳的分子式。《牛津詞典》

3Organic compounds contain carbon in their molecules.有機化合物的分子裏含碳。《柯林斯英漢雙解大詞典》

4Dissolved carbon dioxide makes the water more acidic.溶解的二氧化碳使水更具酸性。《柯林斯英漢雙解大詞典》

5Humans take in oxygen and breathe out carbon dioxide.人吸入氧氣，呼出二氧化碳。《牛津詞典》

6Diamond is the crystalline form of the element carbon.鑽石是碳元素的晶體結構。《柯林斯英漢雙解大詞典》

7We all need to look for ways to reduce our carbon footprint.我們都需要尋找減少我們碳足跡的辦法。《柯林斯英漢雙解大詞典》

8Burning fossil fuels uses oxygen and produces carbon dioxide.燃燒化石燃料消耗氧氣併產生二氧化碳。《柯林斯英漢雙解大詞典》

9Industrialized countries must reduce carbon dioxide emissions.工業化國家必須減少二氧化碳的排放。《柯林斯英漢雙解大詞典》

10The limit for carbon monoxide is 4.5 per cent of the exhaust gas.尾氣中一氧化碳的排放量限制在4.5% 以下。《柯林斯英漢雙解大詞典》

11The drawing is transferred onto the wood by means of carbon paper.圖樣是通過複寫紙摹繪到木頭上的。《柯林斯英漢雙解大詞典》

12Plants absorb carbon dioxide from the air and moisture from the soil.植物從空氣中吸收二氧化碳，從泥土中吸收水分。《柯林斯英漢雙解大詞典》

13A spokesperson commented that levels of carbon dioxide were very high.發言人稱二氧化碳的含量很高。《牛津詞典》

14The proposed initiative would mandate a reduction of carbon dioxide of 40%.這個倡議將把二氧化碳排放量強制降低40%。《柯林斯英漢雙解大詞典》

15Carbon dust and oil build up in large motors and cause them to short-circuit.碳塵和燃油在大發動機裏越積越多，造成了發動機短路。《柯林斯英漢雙解大詞典》

16Reducing levels of carbon dioxide in the atmosphere is of critical importance.減少大氣層中的二氧化碳含量極其重要。《牛津詞典》

17You can liquefy the carbon dioxide to separate it from the other constituents.你可液化二氧化碳以使它與其他成分分離。《柯林斯英漢雙解大詞典》

18Through this incision, the abdominal cavity is distended with carbon dioxide gas.通過此切口，二氧化碳氣體把胸腔充得腫脹起來。《柯林斯英漢雙解大詞典》

19Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.火星周圍有一個薄薄的大氣層，幾乎全由二氧化碳構成。《柯林斯英漢雙解大詞典》

20The emission of gases such as carbon dioxide should be stabilized at their present level.二氧化碳之類氣體的排放應該被控制在目前的水平上。《柯林斯英漢雙解大詞典》

21You can make your flights carbon neutral by planting trees to make up for the greenhouse gas emissions.你可以通過種樹抵消温室氣體排放，這樣你的飛行就可以做到碳中和。《柯林斯英漢雙解大詞典》

22Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.與香煙一起吸入的尼古丁和一氧化碳已經被指控為誘發性因素。《柯林斯英漢雙解大詞典》

23The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.相比之下人類燃燒煤、石油等活動所釋放的二氧化碳的量是少的。《柯林斯英漢雙解大詞典》

24By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier, more wasteful nations.投資高效工廠能節餘很多寶貴的碳信用額度，可以用來賣給那些更富有、更浪費的國家。《柯林斯英漢雙解大詞典》

25In fact it is mostly carbon dioxide.事實上，它主要是二氧化碳。

26This temporarily lowers carbon carrying capacity.這暫時降低了碳承載力。

27Are the outlines of the carbon cycle really that familiar?碳循環的輪廓真的是我們所熟悉的那樣子麼？

28Richer countries must do more to cut back carbon emissions.較富裕的國家必須作出更大的努力來減少碳排放量。

29Today, however, the potential problem is too much carbon dioxide.但如今，潛在的問題是二氧化碳過多。

30Soil tilling releases carbon dioxide, and delivery vehicles emit exhaust.耕作翻土會釋放二氧化碳，而運輸車輛會排放廢氣。 ^[1]