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。...
...his voice wavered and he stumbled over the words at one point.他声音颤抖，一度说话磕磕巴巴的Coleman has never wavered in his claim that he is innocent.科尔曼坚称他是无辜的。Coleman has never wavered in his claim that he is innocent...科尔曼坚称他是无辜...
所有四价配位体对铜都有钝化效果,能与铜形成平面的四价配位络合物.All the tetraderadentate ligands were found to be effective with copper, which forms planar four - coordination complexes.可以通过形成络合物的方法来破坏氰离子发生钝化作用.The destruction on inactivation of cyanid...