“precious metal”的概念、定义、翻译、参考文献-科学参考

单词	precious metal
释义	precious metal [`presh·ǝs `med·ǝl] ^METALLURGY A relatively scarce, valuable metal, such as gold, silver, and members of the platinum group.
随便看	chloral chloralase chloral hydrate chloralkali chloralkali process chloralkane chloralosane chloralose chloraluminite chloramine T chloramphenicol Chlorangiaceae chloranil chloranilic acid chloranthy chlorapatite chlorargyrite chlorastrolite chlorate chlorate candle chlorate explosive chlorate powder chlorbenside chlorbromuron chlorcyclizine hydrochloride

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