This is the 6459th most frequent Chinese word.
摄氏度
Celsius degree; unit of temperature measurement.
In this sentence, '摄氏度' is used to specify the temperature measurement in degrees Celsius relative to the weather.
今天的温度是二十摄氏度。
Today's temperature is twenty degrees Celsius.
Here, '摄氏度' describes the scientific boiling point of water, also in Celsius scale.
水的沸点是在一百摄氏度。
The boiling point of water is one hundred degrees Celsius.
In this example, '摄氏度' quantifies the amount of temperature decrease noted in degrees Celsius.