deactivates是什么意思？

deactivates

• v. 解除动员( deactivate的第三人称单数 )，使无效，复员，使不活动；

例句

• The HOLD switch deactivates the buttons on the cassette holder. HOLD开关可使卡带架上的钮键失效.
• Pulling out the alarm switch activates alarm and pushing it deactivates it. 闹钟的开和关是通过拔出和按入闹铃开关实现的.
• Actuates an alarm when flow is inadequate, deactivates alarm when sufficient flow is restored. 当流量不充分时, 启动警报器,当流量恢复充足流量时,则关闭警报器.

柯林斯高阶英汉双解学习词典释义

• VERB
  拆除（爆炸装置);解除（警报);使无效
  If someone deactivates an explosive device or an alarm, they make it harmless or impossible to operate.
  例句
  Russia is deactivating some of its deadliest missiles. 俄罗斯正在拆除其一些最危险的导弹。