C U 金属 any usually solid shiny mineral substance which can be shaped by pressure and used for passing an electric current

　heat ～　给金属加热
　jump the ～　脱轨
　leave the ～　离开铁轨，脱轨
　melt down ～　熔化金属
　mould ～　铸造金属
　base ～　原金属，粗金属
　heavy ～　重金属
　light ～　轻金属
　noble ～　贵重金属
　rare ～　稀有金属
　rustless ～　不锈金属
　tough ～　硬金属
　scrap ～　废金属
　～ bridge　金属桥
　～ filings　金属屑
　～ founding　金属浇铸
　worker in ～　金属工人，五金工人

　You have to file away for hours to get this metal smooth.　你得锉上几个小时才能使这金属变得光滑。
　A certain scientist had discovered that a metal called uranium gave off a kind of radiation, which Marie Curie was later to call radio activity.　有一位科学家曾经发现了一种叫做铀的金属具有辐射性，后来玛丽·居里夫人把这种现象称作放射性。
　He heated the metal and drew it out into a long wire.　他将那金属加热并将其拉长成为金属线。
　The machine can hammer metal very thin.　这台机器能把金属锤得很薄。
　The natives used to hammer the metal into arrowheads, using heavy stones.　土著人以前总是用沉重的石头把这种金属锤打成箭头。
　He hammered down the metal till it was the shape he wanted.　他用锤不断敲击直到那块金属成为所要求的形状。
　A lot of scrap metal can be melted down and used again.　大量金属碎片可以熔化进行再利用。
　To plate metal is to cover it with a thin layer of gold or silver, etc.　电镀金属就是把金属薄薄地覆盖上一层金或银等。
　Certain metals are attracted to a magnet.　某些金属受磁石的吸引。
　Acid acts on most metals.　酸对大多数金属起作用。
　Lead will fuse at a lower temperature than some other metals.　铅的熔化温度比别的金属低。
　He wants to determine what metals are present in the ore.　他要测定矿石中有什么金属存在。
　This metal net filters out the dirt.　这个金属网滤掉污物。
　He hammered out the dents in the metal sheet.　他把金属板上的一些凹痕敲掉了。
　These two metal parts bolt together, this one bolts onto that one.　这两块金属片是拴在一起的，这块拴在那块上面。
　In severe cold, your fingers can freeze onto metal handles, so be sure to cover your hands.　在严寒里你的手指会冻在金属拉柄上，务必要戴上手套。
　He listened a while to her rubbing clothes on the metal washstand.　他有一阵子在听她在金属脸盆架上搓衣服。

　［词源］　拉丁语metallum（金属，矿山） <希腊语metallon（矿）