In fact, most things made of paper, metal, glass and plastic can be recycled.

事实上，大多数由纸、金属、玻璃和塑料制成的东西都可以被回收利用。

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Plastic parts can substitute for metal ones, but they don't last long.

塑料零件可以代替金属零件，但是它们不耐用。

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Visitors can expect to be searched with a metal-detecting wand.

游客们可能会被用金属探测棒搜身。

《柯林斯英汉双解大词典》