B2 an object or machine that has been invented for a particular purpose装置,器械
More examples
The listening device was concealed in a pen.
The president's car is equipped with a homing device as a security measure.
It's an artificial device that stimulates the auditory areas of the brain.
We have a device that switches the lights on at a preset time in the evening.
A mouse is a device that makes it easier to select different options from computer menus.
a method that is used to produce a particular effect(以期达到某种特定效果的)方法,手段
a bomb or other explosive炸弹;爆炸装置
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