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....
他面部扭曲，假装疼痛。He screwed his face into an expression of mock pain.车子成了一堆扭曲的金属。The car was left a mess of twisted metal.她的行动和思想变得扭曲了，她的态度也是。Her actions and thoughts became distorted. So did her behavior....
Development proposals of isoprene rubber in China were put forward.结合我国的实际情况,提出了发展我国异戊橡胶的几点看法.Isoprenoid ( terpene ): Class of organic compounds made up of two or more structural units derived from isoprene.类异戊间二烯化合物(亦称 ...