lethal rate

• 致死率

lethal rate的用法和样例：

例句

1. This virus was both lethal and virulent.
   这种病毒不但致死率高，而且毒性极强。
2. Lung cancer is an important disease with a very high fatality rate in many countries.
   摘要肺癌是中外各国均极重视且致死率甚高的一种癌症。