metal detector
柯林斯词典
1. N a device that gives an audible or visual signal when its search head comes close to a metallic object embedded in food, buried in the ground, etc 金属探测器
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metal detector
剑桥词典
- a machine that you move over the ground or a surface to discover if there is metal there
（用于探测地下是否埋藏有金属的）金属探测器
He walks around fields and beaches with his metal detector , hoping to find buried treasure . 他带着金属探测器在田间和海滩上四处走动，希望发现埋藏的宝藏。
a machine that you walk through at places such as airports , to discover if you are carrying anything dangerous or illegal
（在机场等地用于探测危险或非法物品的）金属探测器 返回 metal detector