释义 |
metallic copper 基本例句 金属铜 Atomic oxygen in a low earth orbit is very active in chemical reactions, and it can oxidate copper.低地球轨道的原子氧化学性能非常活泼,能使金属铜氧化。 In many porphyry copper deposits, additional enrichment of the metal has been caused by surficial weathering.在许多斑岩铜矿矿床中,地表风化使得金属铜进一步富集。 |