1.Kernicterus occurs, jaundice was significantly increased in children, begins as lethargy, weakness, or choking sucking, muscle hypotonia.
核黄疸发生时，小儿黄疸明显加重，开始表现为嗜睡，吸奶无力或呛奶，肌张力减退。
2.What is the disease that call bilirubin encephalopathy(Kernicterus), please state its clinical feature.
何谓胆红素脑病（核黄疸），请写出其临床特点。