一些道路被倒下的树木阻塞了。
当一个光伏阵列被树木或房屋等物体遮挡住时，太阳能电池中会发生电子堆积现象，好似在交通阻塞中的汽车一样，因而电流减弱。
When a PV array is shaded by another object, like a tree or a house, the solar panels get backed up with electrons like cars in a traffic jam, and the current drops.
这些塑料袋令水道阻塞，田间混乱，它们破坏着花园，使树木有伤大雅。
This floating trash clogs the waterways, clutters the fields, ruins the gardens and blights the trees.
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