每当我闭上眼,一阵呜呜的凄凉声就会缠绕于耳。这是怎么回事呢?那天,炎热的太阳催着我来到树下乘凉。哎,怎么还是这么热呀!抬头一看,往日翠绿茂盛的大树不见了,剩下的只是一枝布满灰土的枯木。我叹了一声。看见我,大树边哭边诉说:“这……这都是人类干的好事,他们过量排放毒气,弄得尘沙飞扬。不仅如此,他们还在我的脚底乱倒垃 Whenever I close my eyes, a whine of desolation will wind around my ears. What happened? The hot sun hurried me to the shade of the tree that day. Hey, how is it still so hot! Looked up, past lush trees disappeared, leaving only a dead wood covered with lime. I sighed. When I saw the tree, I cried and said: ”This is all a good thing for human beings, they emit excessive amounts of gas and make them dusty. Not only that, they are still rubbing their feet in my feet