Level 6 · word 19,079 of 20,000

activated

/ˈæktəˌveɪtɪd/ American
  • adj. 激活的, 活跃的
Definition
  • adj. made active or working, or lively and full of energy
Example
The alarm system activated the moment the door opened.
门一打开,警报系统就立刻启动了。