氧的用法和樣例：
例句
-
大氣中如果沒(méi)有氧和氮，人就無(wú)法生存于地球了。
If it were not for oxygen and nitrogen in the air, no man could live on the earth. -
水含有氫和氧。
Water contains hydrogen and oxygen. -
兩個(gè)氫原子和一個(gè)氧原子結合而成一個(gè)水分子。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water. -
她因缺氧而死。
She died from lack of oxygen. -
山頂上缺氧。
There was a shortage of oxygen at the top of the mountain. -
氫和氧是氣體。
Hydrogen and oxygen are gases. -
植物可以吸收二氧化碳釋放氧氣。
Plants can absorb carbon dioxide and release oxygen. -
水由氫和氧組成。
Water is composed of hydrogen and oxygen.
