节目采用张红岩编著的《词以类记—TOEFL iBT词汇》，只听写英文单词，听完一个单词回车另起一行听写下一个单词，句子和中文不用听写。 Hints：本期14个单词
noxious pollute pollutant pollution contaminate waste sewage fume habitat balance ecosystem fauna decibel ozonosphere
noxious 有害的 有毒的 poisonous toxic pollute 污染 contaminate defile pollutant 污染物质 Rivers in the neighbourhood were polluted by the chemical wastes from the factories. pollution 污染 玷污 noise pollution contaminate 污染 difile pollute The Department of Resources notified the town council that the water supply was contaminated. waste 废物 solid waste sewage 下水道 污水 fume (浓烈难闻的)烟 气体 habitat (动植物的)生活环境 居留地 home environment The polar region is the habitat of polar hear. balance 平衡 equelibrium I lost my balance and fell. ecosystem 生态系统 fauna 动物群 动物区系 decibel 分贝 ozonosphere 臭氧层