We are entering into uncharted territory now, in terms of the amount of carbon dioxide.(在二氧化碳的數量方面，我們現在正在進入一個未知的領域。)

The 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。)

Nowadays scientists are finding light pollution can be almost as bad as carbon dioxide pollution.(如今科學家們發現光污染幾乎和二氧化碳污染一樣有害。)

The company is profiting by selling carbon dioxide to beverage companies to add fizz to their drinks.(該公司通過向飲料公司出售二氧化碳來增加飲料中的氣泡而獲利。)

They forget about one of the key causes of carbon dioxide.(他們忘記了二氧化碳產生的其中一個關鍵原因。)

You 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。)

Dissolved carbon dioxide makes the water more acidic.(溶解的二氧化碳使水更具酸性。)

Through 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。)

Industrialized countries must reduce carbon dioxide emissions.(工業化國家必須減少二氧化碳的排放。)

Another adaptive advantage is Spartina's ability to use carbon dioxide more efficiently than most other plants.(另一個適應性優勢是，米草比大多數其他植物更有效利用二氧化碳的能力。)