copper

copper

['kɔpə]

n.铜, 铜币, 警察, 紫铜色, 有紫铜色翅膀的小蝴蝶
vt.镀铜

例句与用法：

Copper conducts electricity better than iron does.

铜的导电性比铁强。

Copper and gold are both metals.

铜和金都是金属。

Copper has less resistance than lead.

铜的电阻比铅的小。

What color is copper sulfate solution?

硫酸铜溶液是什么颜色？

Ornamental copper pans hung on the wall.

墙上挂着装饰性的铜盘。

Brass is formed by the fusion of copper and zinc.

黄铜是由铜和锌熔合制成的。

Brass is an alloy of copper and zinc.

黄铜是铜和锌的合金。

The chemical symbol for copper is "Cu".

铜的化学符号是Cu。

词形变化：

形容词: coppery | 动词过去式: coppered | 动词过去分词: coppered | 动词现在分词: coppering | 动词第三人称单数: coppers |

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n.

1. 铜[U]

2. 铜制品[C]

3. 【英】【口】铜币[C]

He had only a few coppers with him.

他身边只有几枚铜币。

4. 红铜色[U]

a.

铜的; 铜制的; 红铜色的

These kettles are all copper.

这些水壶全是铜的。

vt.

1. 镀铜于

2. 覆以铜皮

n.

【口】警察[C]