1N-UNCOUNT [usu above/below/toN](常用于谈论天气时)冰点,零(摄氏)度Freezing point is 0° Celsius, the temperature at which water freezes. Freezing point is often used when talking about the weather. (常用于谈论天气时)冰点,零(摄氏)度
The temperature remained below freezing point throughout the day.
一整天气温都在零度以下。
2N-COUNT [usually with poss]凝固点;冻结点 The freezing point of a particular substance is the temperature at which it freezes. 凝固点;冻结点