native copper的用法和樣例：
例句
- Keweenaw native copper deposit was formed in an intracontinental rift.
基維諾自然銅礦床生成于陸內裂谷環(huán)境。 - 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.
在流體運移過(guò)程中，熱冷兩種流體混合，發(fā)生了冷卻作用和水巖反應，為低硫的含銅流體沉淀自然銅提供了必需的還原環(huán)境。
