IELTS-Subjects-环境

• contaminate vt.污染(defile, pollute)
  The department of Resources notified the town council that the water supply was contaminated.
• pollute vt.污染(contaminate, defile)
  Rivers in the neighbourhood were polluted by the chemical wastes from the factories.
• taint v.感染；使腐坏n.污点
  The meat was tainted.
• purify vt.使纯净(cleanse) v.净化
  This salt has been purified for use in medicine.
• pollutant n.污染物质
• ecosystem n.生态系统
• noxious adj.有害的，有毒的(poisonous, toxie)
  The room is full of noxious fumes.
• toxic adj.有毒的，中毒的(noxious, poisonous)
• lethal adj.致命的(fatal)
• venomous adj.有毒的，分泌毒液的
  The government announced that friuts produced in the region was contaminated and thus all the fruits become venomous.
• deteriorate v.(使)恶化
  The water in the catchment has deteriorated in the last month.
• pernicious adj.有害的
• decibel n.分贝
• hazardous adj.危险的(noxious)
• effluent n.流出物；排水道，排水渠；污水
  Dangerous effluent from some chemical plants is being poured into the river through the town.
• emmision n.(光、热等的)散发、发射，喷射(release, discharge)
• inorganic adj.无生物的，无机的
• litter n.垃圾
• nuisance n.令人讨厌的东西(past)
• radioactive adj.放射性等，有辐射能的
• sewage n.下水道；污水
• conservation n.保护
  There is a need for the conservation of trees, or there will soon be no forests.
• renewable adj.能再生的
  We could better protect our environment through discovering and using renewable energy.
• atmosphere n.大气，空气
• forestation n.造林
• desertification n.沙漠化
• preservation n.保存
  The old building is in good preservation.
• reservoir n.水库，蓄水池
  This reservoir gives water to the whole city.
• oasis n.（沙漠中）绿洲；舒适的地方
  All that you do, do with your might; things done by halves are never done right.