Visibility at the city's airport came down to zero, bringing air traffic to a standstill.这个城市机场的能见度下降到了零,使航空运输陷入停顿状态。
It's a sunny late winter day, just a few degrees above zero.这是晚冬晴朗的一天,只有零上几度。
The thermometer had fallen to zero.温度计显示温度降到了零度。