沿着铁路继续走，铁路两侧堆着大堆的垃圾，高大的菠菜一堆堆地生长着。
Further along the railway line, which is flanked by large piles of rubbish, large spinach plants were growing in sacks.
走在去巴纳德学院上课的路上，很难不注意到街道两旁一堆堆齐肩高的垃圾。
Walking to class at Barnard college it was hard not to notice the shoulder-high piles of garbage bags stacked along the city streets.
一堆堆的垃圾袋已经用卡车运走了。
Piles and piles of rubbish bags have been taken away by truck.
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