例句：
The monthly fee is fixed and there are no hidden extras.
月费是固定的，没有未言明的`额外开支。
With this type of camera, the shutter speed is fixed
对这类相机而言，快门的速度是固定的。
My parents had fixed ideas about what I should become.
父母对我应该成为什么样的人有定见。
His eyes were fixed on a small house in the middle distance.
他凝视着不远处的一座小房子。
Has the date of the next meeting been fixed?
下次会议的日期确定了没有？