题目内容
4. ,the order of the pollution level remained same and the pollution extent
is quite close. (previous)
与上年相比,污染轻重顺序未变,污染程度却很相近。
4.Compared with the previous year
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题目内容
4. ,the order of the pollution level remained same and the pollution extent
is quite close. (previous)
与上年相比,污染轻重顺序未变,污染程度却很相近。
4.Compared with the previous year