oxygen

中文意思

• n. 氧, 氧气

英文释义

• n. 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

词形变化

复数

oxygens

例句

1. n. 氧, 氧气

   Divers need to carry tanks of oxygen when they explore deep underwater.

   潜水员在探索深海时需要携带氧气瓶。