严寒天气用英语怎么说？

严寒天气

例句

• In the sub - zero weather, their exhausts plumbed white in the grey streets. 在严寒天气, 他们的排气管在灰色的街道上吐着缕缕白烟.
• If the weather is wet or cold choose an indoor activity... 如果碰上下雨天或是严寒天气，就选择一项室内活动。