Coleman has never wavered in his claim that he is innocent.科尔曼坚称他是无辜的。This time his voice wavered badly.这次他声音颤得厉害。His voice wavered with emotion.他激动得嗓音发抖。...
In addition to copper, there are many other metals which are good conductors.除了铜之外, 还有很多其他金属都是良导体.He purposed to become one of the world's leading conductors.他意欲成为世界主要领导者之一.Of scuds metals conduct heat most quickly....