white-out

The snowstorm caused the driver to white-out on the mountain road, so he pulled over and waited.

用法提示：white-out 作不及物动词原形，在使役结构‘caused ... to white-out’中表示因大雪而突然失去能见度。

A pilot may white-out when flying into a thick bank of fog, so the crew relies on instruments.

用法提示：white-out 为动词原形，与情态动词 may 连用，描述在浓雾中突然看不清周围的情况。

If visibility drops quickly, hikers can white-out and lose the trail on the open ridge.

用法提示：white-out 为动词原形，与 can 构成谓语，表示因天气骤变而失去视觉参照。