metal

• This process produces corrosion of metals .
  这一过程造成金属的腐蚀。
• An oven thermometer uses a metal strip .
  加热炉用金属丝作为温度计。
• Electrons in a metal come out of the surface .
  金属中的电子逸出表面。
• Cadmium is a good metal for this purpose .
  镉是适合这一目的的优良金属。
• Overheated metals may cast badly .
  加热过甚的金属可能难浇铸成型。
• Metal sleeves fastened around their stems .
  金属套简包着树干。
• This makes a three-ply metal .
  这样就制成了一种三层金属材料。
• Another effect of coldness appears in metal .
  低温的另一个效应表现在金属中。
• Metal type has been replaced by photocomposition .
  金属活字为照相排版所代替。
• Lead is one of the softer metals .
  铅是硬度较低的金属之一。