North Pole is the barometer on the health of the Earth. If even North Pole area is polluted by mercury, we can reckon that mercury pollution has been threatening global environmental safety.
北极是地球健康状况的晴雨表，如果北极地区都受到了汞的污染，那么我们就可以认为汞污染已经影响到了全球的环境安全。
North Pole is the barometer on the health of the Earth. If even North Pole area is polluted by mercury, we can reckon that mercury pollution has been threatening global environmental safety.
北极是地球健康状况的晴雨表，如果北极地区都受到了汞的污染，那么我们就可以认为汞污染已经影响到了全球的环境安全。
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