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The odd collection of weather words used in the media—such as "polar vortex"—are actually advanced technical terminologies for specific weather conditions. "Polar vortex" describes a wind pattern over the North and South Poles. "Bombogenesis" is a slang word used by meteorologists to describe a winter storm that forms quickly. 媒 体常会用一些奇怪的词汇来描述天气，但其实这些词汇都是用来形容某种特殊天气状况的高级专业术语。比如，“极地涡旋”指的是在南极和北极出现的一种气流。“炸弹生成”被气象学家用来形容快速形成的一种冬季暴风雪。 如何巧记这三个单词？词汇专家袁新民老师通过词根词缀，让你举一反三：袁老师帮你背单词之冬天来了。 Why haven't we heard these words before? According to Chris Vaccaro, a spokesperson for the National Weather Service, meteorologists are using these terms to describe weather conditions in areas that don't typically see such events; the use of these words is then accelerated through social media. 那么为什么我们以前没有听到过这些词呢？据美国国家气象局的发言人克里斯·瓦卡罗称，气象学家们用这些词汇来描述那些罕见地区的罕见天气状况，随后这些词通过媒体得到迅速传播。 Here are three winter weather terms that are particularly apropos this winter. 以下三个天气词汇是最适合用来描述今年冬天天气的三个新词。 | 
