What is about 20% of the air?快要答案不要翻译，谢谢 about one fifth of the air is oxygen about four fifths of the air is nitrogen. 两句话帮忙也翻译一下吧，谢谢

What is the table of figures about翻译 what is the population of China? About 1.35 _____. What kind of drink is the paassage about 如题 what is the matter with/about/of?哪个对? What is your .of view about the event?怎么填 About what percentage of the Internet is in English now? what is it about what is all about What is about 20% of the air?快要答案不要翻译，谢谢 about one fifth of the air is oxygen about four fifths of the air is nitrogen. 两句话帮忙也翻译一下吧，谢谢 What I like about him is his sense of humor.,about能不能换成around? What's the meaning of writing home?What about She is a writing home? The general public has very little idea of what agriculture is about.about可以放在what的后面吗 a question about linguisticswhat is etic and what is emic?What is the definition of these two? You know what the best thing is about the end of a day?- - - Tomorrow is st the abstract is a summary of what the experiment is all about.4154 What is the passage about? What is the movie about? What is the maily about?