precious metal
noun /ˌpreʃəs ˈmetl/
/ˌpreʃəs ˈmetl/
[countable, uncountable]- a very valuable metal such as gold or silver
贵金属 - a craftsman in precious metals
贵金属工匠 - coins made of precious metal
贵金属制成的硬币
- a craftsman in precious metals
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