reactive still

例句：

1. 1. The chemical reaction isvery fast.
   化学反应非常快。
2. 2. Thenew policy has caused alot of reactive reactions amongthe employees.
   新政策引起了员工们的强烈反响。
3. 3. The scientist was very reactiveto the news of the discovery.
   科学家对这一发现的消息反应很激烈。