N-UNCOUNT
（氣溫的）零度
Zero is a temperature of 0?. It is freezing point on the Centigrade and Celsius scales, and 32? below freezing point on the Fahrenheit scale.
例句
It's a sunny late winter day, just a few degrees above zero...
那是晚冬陽(yáng)光明媚的一天，溫度只有零上幾度。
That night the mercury fell to thirty degrees below zero.
那天晚上溫度計(jì)顯示氣溫降到了零下30度。