"The fine particulate matter is what affects visibility and makes it look like a horrible foggy day," said Cornell air quality expert Westerdahl. "it also is what most directly affects human health."
“这些微细颗粒物是影响可见度，让天空看起来雾茫茫的原因，”康奈尔空气质量专家威斯·特达说，“它也是最直接影响健康的因素。”
It is a sheer joke to search for sunshine outdoors in an afternoon of a fine day, however, this is what I encounter today. Interesting enough.
在一个晴天下午的户外寻找阳光简直是个笑话，而这却是我昨天碰到的饶有趣味的一幕。
It is a sheer joke to search for sunshine outdoors in an afternoon of a fine day, however, this is what I encounter today. Interesting enough.
在一个晴天下午的户外寻找阳光简直是个笑话，而这却是我昨天碰到的饶有趣味的一幕。
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