Like behind closed doors and Windows, when the cold air outbreak.
喜欢关上门窗，冷空气肆虐的时候。
Examples range from contamination of the food or water supply, to high levels of air or noise pollution, a chemical accident, a disease outbreak or a natural disaster.
这方面例子的范围包括从食物或水供应的污染，到空气或噪音高度污染、化学事故、疾病暴发或自然灾害。
The global downturn in travel due to the economic crisis and the A/H1N1 flu outbreak is leading Air New Zealand to come up with unusual marketing ideas.
受全球经济衰退导致旅游业不景气以及甲型H1N1流感疫情影响，新西兰航空公司推出了不寻常的市场招数。
"Webasically have seen just a big outbreak of Arctic air" over populatedareas of the Northern Hemisphere, Arndt said. "The Arctic air hasreally turned itself loose on us."
阿恩特说：“我们看到的只是北极空气在北半球人口密集地区的一次大爆发，北极空气真的向我们发威了。”
"We basically have seen just a big outbreak of Arctic air" over populated areas of the Northern Hemisphere, Arndt said. "the Arctic air has really turned itself loose on us."
阿恩特说：“我们看到的只是北极空气在北半球人口密集地区的一次大爆发，北极空气真的向我们发威了。”
"We basically have seen just a big outbreak of Arctic air" over populated areas of the Northern Hemisphere, Arndt said.
我们看到的只是北极空气在北半球人口密集地区的一次大爆发，北极空气真的向我们发威了。
And this article made an elementary research on the serious conditions that Chinas air force faced after the outbreak of Anti-Japanese War, the modes, result and characters of this united fight.
本文从抗战爆发后中国空军面临的严重局势、中苏空军联合作战方式和战绩、特点等方面，作一初步探讨。
Once the outbreak of TB would be difficult to prevent, because it is through air-borne.
结核病菌一旦爆发就难以预防，因为它是通过空气传播。
Once the outbreak of TB would be difficult to prevent, because it is through air-borne.
结核病菌一旦爆发就难以预防，因为它是通过空气传播。
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