早上出门,空气澄澈,天空蔚蓝,草地青翠,心情顿时舒畅。连高温都没那么可怕了。
这几年,生活的城市空气质量明显改善,蓝天也成为日常。还记得环境日那天,做了个数据分析,去年全年有363天的空气质量都达到优良。
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