coin silver
... 银点：Silver-point 银币合金：coinage silver 铟(In)(稀金属元素)：Indium ...
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银币合金(coin silver), 此释义来源于网络辞典。
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·2,447,543篇论文数据，部分数据来源于NoteExpress
第二种硬币是两角的合金银币。
The second was a 20-cent coin made of silver alloy.
youdao
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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