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- Possibly they first found native copper and hammered it into shape. 可能他们最初找到的是生铜，把它锤击成形。
- Keweenaw native copper deposit was formed in an intracontinental rift. 基维诺自然铜矿床生成于陆内裂谷环境。
- GEOLOGICAL SETTING,MINERALIZATION AND GENETICMECHANISM OF KEWEENAW NATIVE COPPER DEPOSIT,U.S.A. 美国基维诺自然铜矿床成矿环境、成矿作用和机制
- According to the logs of dill holes, the mineralization and alteration are zoned vertically: native copper in upper part and chalcocite in lower part. 在钻孔柱状剖面图上,矿化蚀变具有自下而上依次为辉铜矿化、沥青化和自然铜矿化的分带性,且沥青和自然铜的分布位置大体一致,表明自然铜矿化与沥青关系密切。
- Mixing of hot fluid with cold fluid was responsible for precipitation of native copper.The native copper deposit is confined to the top of lava flow. 在流体运移过程中，热冷两种流体混合，发生了冷却作用和水岩反应，为低硫的含铜流体沉淀自然铜提供了必需的还原环境。
- Minerals that form placer deposits include gold, platinum, cassiterite, magnetite, chromite, ilmenite, rutile, native copper, zircon, monazite, and various gemstones. 砂矿中的矿物包括金、铂、锡石、磁铁矿、铬铁矿、钛铁矿、金红石、自然铜、锆石、独居石等，还有各种宝石。
- As a special industrial type of copper resources, native copper is formed under a weak alkalic and sulphur-deficient deoxidized environment.Three conditions are necessary during ore formation, i.e. 以湘西九曲湾（麻阳）铜矿和滇东北沿河铜矿为例，结合国外典型自然铜矿床（矿化带），分析了自然铜的成矿学特征及形成条件。
- The native coppers show s occurrence in slab-flaky, net veined and impregnated. 自然铜呈板片状、网脉状、浸染状产出。
- The Use of Native Copper at an Early Stage in Our History 人类早期对自然铜的利用
- How they long to get a sight of their native land! 他们多么渴望看一看故乡啊！
- A camel fleet to carry me to my native place. 木兰不用尚书郎，愿借千里足，送儿还故乡。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- This house was built of native stones. 这间屋子是用当地的石头建的。
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- He speaks English, but his native tongue is German. 他会说英语，但他的母语是德语。
- A man who is a native or inhabitant of France. 法国人出生在法国或居住在法国的人
- A native or inhabitant of Florence, Italy. 佛罗伦萨人意大利佛罗伦萨人或居民
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
