oxygen是什么意思及反义词

名词

1.【化】氧，氧气

词形变化

形容词oxygenous

副词oxygenically

英语解释

a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust