字词 | 铜 |
释义 | ㄊㄨㄥ一种金属元素,符号 Cu,赤色有光泽,富延展性,是热和电的良导体。在湿空气中易生铜绿,遇醋起化学作用生乙酸铜,有毒。铜可制各种合金、电业器材、器皿、机械等 copper, a reddish glittering and ductile metallic element, a good conductor of heat and electricity, easy to get verdigris in damp air; its combination with vinegar poisonous; widely used in the manufacture of various alloys, electric equipment, machinery and utensils, etc; symbol: Cu |
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