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ECOLOGY BW
ecologist BW
ecosystem Bϵy
balance (of nature) ȻBƽ
fauna Ⱥ
flora ֲȺ
rain forest
food chain ʳ
acid rain
greenhouse effect Ч
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 ()ؐ
иԇB~RP£
иԇ~R03-04
иԇгõ~RZӅR03-11
иԇҕ~R03-05
иԇеS~R03-04
иԇƷ~R03-04
иԇ ~R03-24
иԇ繝~R03-05
иԇ~Rӛͻ03-21
2017иԇxl~R02-26