reactive

1. ADJ Something that is reactive is able to react chemically with a lot of different substances. 活性的; 起化学作用的

Ozone is a highly reactive form of oxygen gas. 臭氧是一种高度活跃的氧气形态。

2. ADJ If someone is reactive, they behave in response to what happens to them, rather than deciding in advance how they want to behave. 被动反应的; 回应性的[usu v-link ADJ]

I want our organization to be less reactive and more proactive. 我希望我们的组织少一些被动反应，能够更加积极主动些。