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 金屬探測器
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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
（用於探測地下是否埋藏有金屬的）金屬探測器
He walks around fields and beaches with his metal detector , hoping to find buried treasure . 他帶著金屬探測器在田間和海灘上四処走動，希望發現埋藏的寶藏。
a machine that you walk through at places such as airports , to discover if you are carrying anything dangerous or illegal
（在機場等地用於探測危險或非法物品的）金屬探測器 返回 metal detector