名词
中文翻译：停滞的空气团
同义词：
['stagnation', 'stagnant air例句：1. The air quality inthis area has been stagnatingfor years due to heavy pollution.（由于严重的污染，该地区的空气质量已经多年停滞不前。）2. The stagnated airmass caused the temperature to drop significantly.（停滞的空气团导致温度显著下降。）']
例句：
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1. The air quality inthis area has been stagnatingfor years due to heavy pollution.
由于严重的污染，该地区的空气质量已经多年停滞不前。
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2. The stagnated airmass caused the temperature to drop significantly.
停滞的空气团导致温度显著下降。
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3. The city's air quality has improved significantly sinceimplementing stricter environmental regulations.
自从实施更严格的环境法规以来，城市的空气质量有了显著改善。