combine or become combined chemically with oxygen 氧化 [with obj.]when coal is burnt any sulphur is oxidized to sulphur dioxide. 当煤炭燃烧时硫被氧化成二氧化硫。 [no obj.]the fats in the food will oxidize, turning it rancid. 食物中的脂肪将氧化,变臭。 ■(Chemistry)undergo or cause to undergo a reaction in which electrons are lost to another species[with obj.] (化)氧化。 reduce 的反义词