normal immunoreaction

例句：

1. 1. The normal temperature is 98.6 degrees Fahrenheit.
   正常体温是98.6华氏度。
2. 2. This is the normal wayto do it.
   这是做这件事的正常方式。
3. 3.She was surprised by the normalcy ofthe situation.
   她对这种情况的平常感到惊讶。