Definition: something that you do Level: B2
消防员迅速采取行动扑灭了大火。
The firefighters took ___action quickly to put out the fire.
现在是行动的时候了，不要只是等待。
It's time for ___action, not just waiting.
为了保护环境，我们必须现在采取行动。
To protect the environment, we must ___take ___action now.
