An ongoing cold wave with heavy snow and record low temperatures delayed air flights and snarled road travel across much of Europe. (JOE KLAMAR/AFP/Getty Images)
持续的暴雪低温和史无前例的低温天气延误了很多航班，冰雪袭击几乎大部分的欧洲地区。
The bell rang then, and the children burst in on a wave of cold, snowy air.
这时铃声响起来了，孩子们带着寒冷的空气跑了进来。
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