常見例句Water contains hydrogen and oxygen. 水含有氫和氧。Oxygen enters into many compound bodies. 氧是許多化合物的組成部分。acyl oxygen fission ?；?氧裂解Mars is too dry and poor in oxygen. 火星上面過(guò)于干燥，并且缺乏氧氣。Water is composed of hydrogen and oxygen. 水由氫和氧組成。Fish take in oxygen through their gills. 魚通過(guò)鰓攝取氧氣。 返回 acyl-oxygen