Many sulphides, selenides, and tellurides have the nickel arsenide's NiAs type of structure.许多硫化物, 硒化物和碲化物具有砷化镍NiAs型的结构.The material is a semiconductor called gallium manganese arsenide.这种材料是一种叫做镓锰砷化物的东东.This paper ...
They sparred for a moment, on the brink of a full fight.他们互相推搡了一会儿，眼看就要大打出手了。They had always gotten along, even when they sparred.他们一直很合得来，甚至拌嘴的时候也是如此。Over the years he sparred with his friend Jesse Jackson over politica...