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activates , activating , activated
If a device or process is activated, something causes it to start working.
trigger , initiate
deactivate
Video cameras with night vision can be activated by movement.
有夜视功能的摄像机能被物体的活动激活。
a voice-activated computer.
声控电脑。
Heat also activates enzymes which further destroy vitamins.
热也能激活酶，进一步破坏维生素。
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