white-outs

During the polar expedition, a sudden white-out reduced visibility to zero.

在极地探险中，一场突如其来的白化暴风雪使能见度降为零。

用法提示：名词单数形式，指导致能见度骤降的暴风雪天气。

Meteorologists are forecasting a severe white-out this afternoon.

气象学家预报今天下午将有一次严重的白化暴风雪。

用法提示：名词单数形式，用作可数名词，指一次白化暴风雪事件。

The climbing team had to abandon the ascent after several white-outs.

在经历了多次白化暴风雪后，登山队不得不放弃攀登。

用法提示：名词复数形式，强调多次发生。