英语听力精选进阶版 13314（在线收听） |
Milan bans cars to reduce pollution Vocabulary murky haze air difficult to see through due to smoke pollution hotspots areas where the air has its highest concentration of harmful substances acute severe, serious seasonal average usual temperatures for that time of the year exacerbated worsened perennial continuous smog heavily polluted air that contains a mixture of smoke, gases and chemicals a trick of nature an event that has not being prompted by man, it happens naturally a shallow bowl a depressed landscape with surroundings slightly higher than the centre triggered brought about |
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