a white area的用法和样例：
- The playing area is demarcated by a white line.
- A white area surrounded the tumor.Histologically, the liver tumor was an insulinoma and the white area was focal fatty change of the liver.
- Toupi was a White area,Lokou a guerrilla zone,and Tungshao,where there were A-B Group elements,was a place from which information was liable to leak out.
- We have marked the playing area off with a white line.
- In general,the terminal points for retreat in a White area can also be divided into three types: (1) those in front of our base area,(2) those on its flanks,and (3) those behind it.
a white area的相关资料：