The carbon14 atoms oxidize to carbon dioxide which gets blown about and mixed up with lower atmosphere.碳14原子氧化生成二氧化碳，向四周散去并与低空的大气混合。Oxidize copper to copper oxide.使铜氧化变成氧化铜.Chardonnay berries are relatively small, thin -...
Frolicsome students celebrated their graduation with parties and practical jokes.爱玩闹的学生们举行聚会,制造各种恶作剧来庆祝毕业.To amuse ( oneself ) a light, frolicsome manner.欢娱,使欢乐:以轻松 、 快乐的方式使 ( 自己 ) 娱乐....
The degree of recombination is reciprocal in most cases.重新结合的程度在大多数情况下是相互的.The committee recommended that recombination DNA work at Princeton be considered in this same light.委员会建议用同样的观点来考虑在普林斯顿的重组体.ECHO cloning is a rap...
The block is still just a skeleton of girders.这片建筑还只是仅有主梁的骨架.All girders shipped by rail were arranged on a flatbed rail car.由火车装运的所有主梁都安放在平板火车车皮上.The girders are carried on trestles.这些大梁是由支架撑着....