carbon dioxide
不可数名词
‘化学’二氧化碳
索引：不可数名词
英consist ofbe made up of；be composed of 由…组成；包括*Carbon dioxide consists of carbon and oxygen．二氧化碳由碳和氧组成。*Man consists of soul and body．人由灵魂和肉体组成。*The society consists of 30 members．这个协会有30个会员组成。*One year cons ...
英e.g.... ri^ˋzɑmpl]《拉丁文 exempli gratia (for example) 之略》例如Air contains many elements, e.g. oxygen, nitrogen and carbon dioxide.空气中含有许多元素,例如 :氧、氮、二氧化碳等