normal return

例句：

1. 1.The normal temperature is 36.5 degrees Celsius.
   正常体温是36.5摄氏度。
2. 2. This is a normal day for him.
   对他来说这是平常的日子。
3. 3. He was surprised to see the normalcy of the situation.
   他惊讶于情况的常态。