copper的例句大全

El Salvador produces 100,000 tons of refined copper annually.

萨尔瓦多每年生产10万吨纯铜。

a coil of copper wire

一卷铜丝

Copper wire is flexible.

铜丝易弯曲.

Brass is an alloy of copper and zinc.

黄铜是铜锌合金。

The worker worked in a little copper with the alloy.

工人在合金里搀了一点铜.

Contemporary photographs are juxtaposed with a sixteenth century, copper Portuguese mirror.

几幅当代照片和一面16世纪的葡萄牙铜镜并排摆在一起。

When nitric acid is poured on copper, a brown vapor gives off.

将硝酸倒在铜上, 会散发出一种棕色的蒸气.

His hair has reverted back to its original copper hue.

他的头发又变回原来的淡红棕色。

As new mines come on stream, Chile's share of world copper output will increase sharply.

新矿投产后，智利在世界铜产量中所占的份额将大幅增加。

We tried to grow some copper sulphate crystals with our children.

我们想跟孩子们一起制作硫酸铜晶体。

They proved up the copper deposit.

他们勘探了那个铜矿.

Copper conducts electricity well.

铜是电的良导体.

Iron casts better than copper.

铁比铜好铸.

At room temperature, the thermal conductivity of a diamond is about six times higher than that of a piece of copper.

在室温下, 钻石的热传导律比铜块高六倍左右.

Copper conducts electricity better than other materials.

铜导电比其它材料好.

Copper is a good medium for the conduction of heat and electricity.

铜是热和电的良导体.

The students are asked to prove the purity of copper.

要求学生们检验铜的纯度.

Copper is a good conductor of electricity.

铜是良导体.

Copper and silver are both metals.

铜和银都是金属.

the fusion of copper and zinc to produce brass

铜与锌熔合成黄铜