ReadWriteQuiz
Chinese dictionary
n.carbon dioxide
发言人称二氧化碳的含量很高。
A spokesperson commented that levels of carbon dioxide were very high.
人吸入氧气,呼出二氧化碳。
Humans take in oxygen and breathe out carbon dioxide.
减少大气层中的二氧化碳含量极其重要。
Reducing levels of carbon dioxide in the atmosphere is of critical importance.
溶液中的二氧化碳
carbon dioxide in solution
全世界的二氧化碳排放量
the world's output of carbon dioxide
含有二氧化碳的饮料
carbonated drinks