污染 wūrǎn
(1) [contaminate;besmear;defile;stain]∶使沾上脏物或有害物质
放射物污染了整个地区
(2) [pollute]∶指受坏思想的影响
心灵受污染
(3) [smear;involve]∶指诬陷或牵累