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:
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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.
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The HOLD switch deactivates the buttons on the cassette holder.
HOLD开关可使卡带架上的钮键失效.
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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.