The ring is not pure gold; there is some alloy in it.

这只戒指不是纯金的，里面掺有其他金属。

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Mechanics performance of titanium alloy in cast is tested.

对铸造钛合金铸态组织的力学性能进行测试。

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The plugs may use one of several designs to hold the fusible alloy in place.

塞子可以采用几种设计中的一种，把易熔合金置于适当的位置。

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But when the concentration in the alloy is 50/50 by mole, something magical happens.

但是当合金中的浓度,是1比1的时候，有些神奇的事发生了。

麻省理工公开课 - 固态化学导论课程节选

The vases, about 10 inches high and three inches in diameter, are made of bronze, an alloy rich in copper.

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The second use is in an alloy with platinum in catalysts for oil refineries.

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Inspired By Goodwood comes painted in Rolls-Royce Diamond Black metallic with 17-inch light alloy wheels in an ever-so-posh multi-spoke design.

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