侵食是一个汉语词语，读音是qīn shí，指侵占吞食。
一个高密度的城市政策也应该减少对周边农村的侵食。
A high density urban policy would also reduce pressure to encroach on the surrounding countryside.
细菌可以通过对物体的侵食来清除各种毒素，油污还有核废料。
Bacteria can clean up toxins oil spills and nuclear waste essentially by eating the stuff.
细菌可以通过对物体的侵食来清除各种毒素，油污还有核废料。
Bacteria can clean up toxins, oil spills and nuclear waste, essentially by eating the stuff.
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