| 单词 | precious metal |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔VALUE〕The robe was encrusted with precious metals and stones. 袍子上镶满了金银珠宝。朗文写作活用〔assay〕To be shown by analysis to contain a certain proportion of usually precious metal.经分析含有：经检验证明含某种比率的通常较贵重金属美国传统〔bar〕A rectangular block of a precious metal.贵重金属的长方块美国传统〔chain〕Such a set of links, often of precious metal and with pendants attached, worn as an ornament or symbol of office.项链：这样的一串连结物，经常由贵重金属做成带有垂饰，作为装饰物或职业标记戴用美国传统〔costly〕Gold is a precious metal.金子是珍贵金属。美国传统〔crown〕An ornamental circlet or head covering, often made of precious metal set with jewels and worn as a symbol of sovereignty.王冠：一种环形饰物或头套，通常用贵重金属做成并镶有珠宝，被作为权力的象征而穿戴美国传统〔cupel〕A porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead.灰皿：一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来美国传统〔fill〕To cover the surface of (an inexpensive metal) with a layer of precious metal, such as gold.镀：用贵重金属层例如金等覆盖（非贵金属的）表面美国传统〔illuminate〕To adorn (a page of a book, for example) with ornamental designs, miniatures, or lettering in brilliant colors or precious metals.装饰：用装饰性图案、模型、写成亮色或贵重金属质地的字母对（如书页）进行装饰美国传统〔jewelry〕Ornaments, such as bracelets, necklaces, or rings, made of precious metals set with gems or imitation gems.珠宝：由嵌有宝石或仿制宝石的珍贵金属制成的装饰品，如手镯、项链或戒指美国传统〔jewel〕A costly ornament of precious metal or gems.金银首饰：珍贵的金属或宝石制成的昂贵装饰品美国传统〔medium of exchange〕Something, such as a precious metal, that is commonly used in a specific area or among a certain group of people as money.交换中介：在某一特定地区或某一群人中广泛使用的作为钱的东西，例如一种贵金属美国传统〔metal〕Silver, gold, and platinum are precious metals.银、金和铂都是贵重金属。剑桥高阶〔metal〕They traded in gold and other precious metals (=valuable metals used especially for making jewellery) .他们做黄金和其他贵金属的交易。朗文当代〔pan〕To wash (gravel, for example) in a pan for gold or other precious metal.淘金：在盘子中冲洗（如矿砂）以便得到金子或其它珍贵的金属美国传统〔plate〕Household articles, such as hollowware, covered with a precious metal, such as silver or gold.家庭日用品：用贵金属，如银或金覆盖的家用物品，如凹形器皿美国传统〔precious metal〕Platinum and gold are precious metals.铂和黄金都是贵金属。剑桥高阶〔ring〕A small circular band, generally made of precious metal and often set with jewels, worn on the finger.戒指，指环：戴在手指上的小圆环，一般由贵重金属制成并经常配有宝石美国传统〔scorify〕To separate (an ore) into scoria and a precious metal.使成渣：分离开（一种矿物）使之形成熔渣和贵金属美国传统Platinum and gold are precious metals.铂和黄金是贵重金属。剑桥国际Silver, gold and platinum are precious metals.银、金和铂是贵重金属。剑桥国际Since the catalytic converters that clean up car emissions are made from platinum, the price of the precious metal has increased.] 因为清洁汽车排气的催化转化器由白金制成，这一名贵金属的价格已经上涨了。剑桥国际 |
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