-
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.
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