伤口的血在他脸上结成了硬块。 Blood from the wound had caked on his face.
疣，肉赘长于皮肤上的粗糙的硬块，由一定的病毒感染引起，一般出现于手足部 A hard, rough lump growing on the skin, caused by infection with certain viruses and occurring typically on the hands or feet.
飞机起火坠毁，火焰的热力把大部分部件熔合成一个大硬块。 The aircraft came down in flames, and the heat fused most of the parts together into a solid mass.
