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      (dng)ǰλãAԇW(wng) >> иԇ >> иo(do) >> и~R >> 2019иԇ~RB(ti)

      2019иԇ~RB(ti)

      AԇW(wng)   2018-12-13    С

      2019иԇ~RB(ti)

      ecologist B(ti)W(xu)

      ecosystem B(ti)ϵy(tng)

      balance (of nature) ȻB(ti)ƽ

      fauna Ⱥ

      flora ֲȺ

      rain forest

      food chain ʳ

      acid rain

      greenhouse effect Ч(yng)

      infrared radiation t⾀ݗ

      ozone layer (ozonosphere)

      ultraviolet radiation ݗ

      pollution Ⱦ

      pollution control Ⱦ

      air pollution ՚Ⱦ

      water pollution ˮȾ

      noise pollution Ⱦ

      soil pollution Ⱦ

      pollution-free oȾ

      pollutant Ⱦ

      noxious (toxic) ж

      fumes (ж)U

      waste U

      solid waste w

      sewage (wastewater) ˮ

      sewage purification ˮ

      sewage disposal ˮ̎

      decibel ()ؐ

      me؟(z)examwkk
      P(gun)]
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