Severec塞韦雷茨severeadj.严厉的；严重的；剧烈的；严格的；严峻的Severe acute pancrertitis重症急性胰腺炎severe convection weather强对流天气severe pollution industry污染密集产业Severe left heart failure严重左心衰severe acute pancreatltlS重症急性胰腺炎Severe acute pancteatitis重症胰腺炎severe growth retardation严重生长迟缓Severe convective systems强对流系统severe and great casualty重特大事故severe service conditions困难运行条件

1. A flood caused the collapse of the bridge.
   洪水使桥倒塌了。
2. The first water cure is the flood,and it killed more than it cured.
   最初的水疗法是那场大洪水，而它杀死的更多于治愈的。