reactive species

• 活性组分,活性粒子,活性品种

reactive species的用法和样例：

例句

1. What differentiates these two species?
   区别这两个品种的是什麽。
2. Currently, many marine species are threatened by overexploitation.
   目前许多海洋生物品种均受过度捕捞威胁。