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- Keywords secondary metal;virgin metal;circulative economy; 原生有色金属;再生有色金属;循环经济;
- Recycling nonrenewable metallic resources takes much less energy, water, and other resources and produces much less pollution and environmental degradation than exploiting virgin metallic resources. 回收不可再生的金属资源比开发处女金属的资源花费更少的能源、水和其他的资源，且降低产生的污染和环境的退化。
- She remained a virgin all her life. 她终生未婚。
- This is the virgin voyage of the ship. 这是这艘船的处女航。
- The Virgin Mary. Often used with Our. 圣母玛丽亚。常与our连用
- There were no footmarks on the virgin snow. 洁白的雪上没有脚印。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗？
- A quarter of the area is covered with virgin forest. 四分之一的地区都是原始森林。
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去，发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- The new mayor delivered his virgin speech this afternoon. 今天下午新市长作了第一次演讲。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- There are vast expanses of virgin land in the remote regions. 在边远地区有大片大片未开垦的处女地。
- The ship was broken up for scrap metal. 这艘船拆毁了当废铁用。
- Being heated, the metal is rapidly melting. 由于受热，金属在迅速熔化。
- The metal has corroded (away) because of rust. 该金属已锈蚀。
