not to set sth. at a pin's fee

例句：

1. 1. The clock is set to 9:00 every morning.
   这台钟每天早晨都设定为九点。
2. 2.She set the table for dinner before she left.
   她离开前已经把餐桌布置好了。
3. 3. We need to set the temperature at 22 degrees Celsius.
   我们需要将温度设定在22摄氏度。