謝謝波教授！德黑蘭的汙染不是霧霾，而是汽車尾氣，空氣嗆嗓子眼，有點像北京10幾年前的狀況。

來源: aranjuez 於 2017-04-21 08:57:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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