active oxygen 基本例句 活性氧 Effects of Pathogens on Growth and Activate Oxygen Metabolism of Trifolium repens L.病原菌对白车轴草生长及活性氧代谢的影响。 Once energized, the dye forms singlet oxygen, a reactive molecule that kills bacteria.一旦活跃起来，这种染色分子就会形成纯态氧，这是一种可以杀死细菌的活性氧。