例句：This metal is harder than that one.
这种金属比那种硬。
metallic adj. 金属(性)的
例句：Fannie' s shovel struck against something metallic when she wasplanting
flowers in the garden.
当芬妮在花园里种花的时候，她的铲子碰到了一件像金属的东西。
silver n. 银，银子vt. 镀银
例句：In a silver frame on the table there is a photograph of Joanna andher parents.
在桌上的银相框里有张乔安娜和她父母的照片。
mercury n. 水银，汞
例句：Mercury is a fluid substance.
水银是流体物质。
mercy n. 仁慈，冤恕，怜悯
例句：The chief commander showed much mercy to the prisoners.
总司令官对战俘十分怜悯。
aluminum n. 铝
例句：High quality aluminum alloy can be used to make structure solid andto make weightlight.
高质量的铝合金被用采使结构坚，质量轻。
lead v. 领导，引导，领先 n. 领导，导线，铅
例句：For the last ten years, our scientists have been leading the way inspace research.
我们的科学家在宇宙探索中处于领先地位。
nickel n. 镍，镍币，(美国和加拿大的)五分钱vt.镀镍于
例句：We know that American divisional coins include the dime and thenickel.
我们知道美国零钱包括一角及五分硬币。
zinc n. 锌vt. 涂锌于
例句：Zinc can be used to cover other metals to prevent them from rusting.
锌可用来涂在其他金属表面以防锈。
