摄氏温标

例句：

1. 1. The thermometer is used to measure the temperature in Celsius scale.
   温度计用于测量摄氏温标上的温度。
2. 2. The room temperature is around 20 degrees Celsius.
   房间的温度大约是摄氏20度。
3. 3. The water boiled at 100 degrees Celsius.
   水在摄氏100度时沸腾。