precious metal 详细解释

precious metal

n. 贵金属

词形变化

副词: preciously | 名词: preciousness |

英英释义

名词 precious metal:

any of the less common and valuable metals often used to make coins or jewelry

补充

precious metalprecious metaln.1.贵金属

例句

1. Gold and silver are precious metals.金和银都是贵金属。