被污染

• . . without becoming contaminated or converted
  . .都不会被污染或同化
• Polluted rivers and lakes have also been a cause of death
  江河湖泊被污染也是动物死亡的原因。
• Without any preparation at heart , we are easily contaminated
  心里没有防备，所以很简单被污染。
• . . . untainted . an exact duplicate of the original virus
  . . .没有被污染的一个原始病毒的真正复本
• Without becoming contaminated or converted
  .都不会被污染或同化
• The polluted air becomes poisonous and dangerous to health
  被污染的空气具有毒性，并且危害健康。
• Polluted air hangs over the city
  城市上空被污染的空气所笼罩。
• Scientists think that the arctic is endangered by pollution
  科学家们认为北极面临着被污染的危险。
• Water and air are easy to be polluted
  水和空气容易被污染。
• Two thirds of the water is polluted
  三分之二的水被污染了。