这些波廷铜锌锡合金硬币的重量各不相同。
第二种硬币是两角的合金银币。
不锈钢、磁铁、硬币、吉他弦、电池等多种合金都含有镍。
Nickel is used in stainless steel, magnets, COINS, guitar strings, batteries, and in many different alloys.
该项研究表明，持续接触1元面值（合88美分）和2元面值的欧元硬币5分钟，这两种硬币中所含的镍合金就可能引发皮肤病症状，包括皮炎和皮肤搔痒。
Just five minutes of contact with one-euro (88 U.S. cents) and two-euro coins containing nickel alloy could trigger symptoms, including skin inflammation or itching, the study said.
大多数硬币是由铜和镍的合金制成的。
他们还可以用化学方法处理合金(也许含有贵金属，也许不含)的表面，使它发出银或金的光泽，由此来伪造硬币的外表。
They could also fake the look of a coin by chemically treating the surface of an alloy (which may or may not have contained precious metals) to give it a silvery or golden sheen.
阿斯：古罗马一种铜硬币或铜合金硬币。
西方最早的硬币是用金和银的合金制成的。
The earliest COINS in the west were made of gold mixed with silver.
大多硬币均由合金制造，比如黄金币和白银币通常含有一定的铜。
Most COINS are made of alloys. Gold and silver, for instance, are usually alloyed with copper.
大多硬币均由合金制造，比如黄金币和白银币通常含有一定的铜。
Most COINS are made of alloys. Gold and silver, for instance, are usually alloyed with copper.
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