[ti:]
[ar:]
[al:]
[00:13.73]noxious(poisonous, toxic)
[00:19.36]pollute(contaminate, defile)
[00:23.32]pollutant(Rivers in the neighbourhood were polluted by the chemical wastes from the factories.)
[00:32.74]pollution(air pollution, noise pollution, soil pollution, water pollution)
[00:38.60]contaminate(The Department of Resources notified the town coucil that the water supply was contaminated.)
[00:50.14]waste(solid waste固体废物)
[00:54.21]sewage
[00:58.52]fume
[01:02.63]habitat(home, environment, The polar region is the habitat of polar bear.)
[01:12.89]balance(I lost my balance and fell)
[01:20.31]ecosystem
[01:24.66]fauna
[01:30.29]decibel
[01:33.95]ozonosphere
[01:35.30]Always aim for achievement and forget about success. --Helen Hayes