使铜氧化变成氧化铜.Oxidize copper to copper oxide.硫化铜和氧化铜也是很抢眼的替代材料.Copper sulfide and copper oxide were also attractive candidates.氧化铜是由铜和氧组成的.Copper oxide is made up of copper and oxygen....
Dioxin was the ingredient in Agent Orange, used to defoliate Vietnam.越南战场上用于毁灭林区的“橙剂”，其成分是二氧杂芑。There's also dioxin, a byproduct of paper manufacture and waste incineration.还有二恶英, 纸生产和废物燃烧的副产物.The iron ore sintering ...
Modern image is used by New Moon School to deconstruct the image pattern of classical poetry.新月派现代意象的营造对古典诗歌意象模式的解构.Let's ignore the active load in place of a plate resistor and let's deconstruct the circuit.让我...