B2 [ C or U ] a piece of thin metal thread that can be bent, used for fastening things and for making particular types of objects that are strong but can bend金属丝;金属线
B2 [ C ] (a piece of) thin metal thread with a layer of plastic around it, used for carrying electric current电线;导线
US a secret recording device hidden worn by a person, especially one that is hidden in their clothes(尤指藏在衣服内的)窃听器
UK the wire fence around a prison or prison camp(监狱等处的)铁丝网
More examples
A wire has come loose at the back.
The cable has a copper wire surrounded by a plastic sheath.
The filaments of light bulbs are made from tungsten wire.
Loose electric wires were dangling from the wall.
Drill a hole through the back of the cupboard and pass the wires through.
to fasten two things together using wire用金属丝捆扎
also wire up to connect a piece of electrical equipment with wires so that it will work为(电子设备)接上电线(或导线)
to send money using an electrical communication system用电报传送;(尤指)电汇
mainly US in the past, to send someone a telegram(过去)给…发电报
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