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. We should die without air. (공기가 없으면 사람은 죽고 말 것이다) 2. an air of dignity (근엄한 태도) 3. fresh air (신선한 공기) 4. an air base (공군기지) 5. sing an air (한 곡조 부르다)
