a small safety part in an electrical device or piece of machinery that causes it to stop working if the electric current is too high, and so prevents fires or other dangers保险丝
a string or piece of paper connected to a firework or other explosive product by which it is lit, or a device inside a bomb that causes it to explode after a fixed length of time or when it hits or is near something导火索;导火线引信;信管
to join or become combined熔合;结合
to (cause to) melt (together) especially at a high temperature(使)熔化
UK When an electrical device or piece of machinery fuses, or when someone or something fuses it, it stops working because the electric current is too high.(使)(因保险丝熔断而)停止工作
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