self-powered
adjective
ukusused to describe machines, etc. that do not need an outside energy supply to work as they have their own source of energy:
They produce an intruder alarm system which is completely self-powered.
单词 | self-powered |
释义 | self-powered adjective ukusused to describe machines, etc. that do not need an outside energy supply to work as they have their own source of energy: They produce an intruder alarm system which is completely self-powered. |
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