A colorless, odorless, tasteless, gaseous mixture, mainly nitrogen (approximately 78 percent) and oxygen (approximately 21 percent) with lesser amounts of argon, carbon dioxide, hydrogen, neon, helium, and other gases.
파생어
airy [형]
예문
1. fresh air (신선한 공기) 2. an air of dignity (근엄한 태도) 3. We should die without air. (공기가 없으면 사람은 죽고 말 것이다) 4. the birds of the air (공중의 나는 새들) 5. live on air pie (《영, 속어》 아무것도 먹지 않고 있다)
