雅思听力高频词词汇表

painkiller drug herb tablet vaccine injection penicillin cream syrup ointment vitamin eyedrops cough mixture mixture aspirin sleeping pills sleeping pill capsule medication medicine timber tide terrestrial solar radiation stream pressure strass strain shape sewage spark shortage seasoned sea level reservoir recycle public health process pollution polish ozone layer overexploitation noise intensify effect influence impact hydroelectric power herd haze global warming greenbelt greenhouse gas fossil fuels forestation exhaust fumes emission smog fog ash fly evaporation erosion environment energy ecotourism dust drought development design deforestation dam cruel concrete coal climatic charcoal trigger arouse result to give rise to bring about contribute to lead to cause hydrogen oxygen carbon dioxide biodiversity biogas Antarctic yield work force work wind wheat removal weather urban temperature sunshine soil rural rock river rice ranching rain population plant photosynthesis pesticide pest pasture organism ocean nutritious nutrient nourish nature mountain moisture modernization mature maize machinery low-lying livestock lifecycle life expectancy landform lake irrigation industry humidity habitat gene frost fertilizer fencing farming evolution eradicate endangered endangered species ecosystem domestic corp cotton corn conservation centigrade cereal climate breeding aquaculture air pressure agriculture yak wolf wildlife wildcat whale wasp zebra toad tiger termite swarm into a swarm of swarm squirrel spider worm silkworm sheep shark rhinoceros reindeer rat rare rabbit puma pony piglet pig panther ox ostrich mule mouse moth mosquito monkey marsupial mare mammal locust lion jaguar leopard lamb koala kitten kangaroo invertebrate insect horse hare grasshopper goat giraffe gazelle fox firefly falcon elephant duckbill dragonfly donkey dolphin dog deer cobra crocodile cricket cow cockroach cicada chimpanzee cat camel calf butterfly bull bug buffalo bird beetle bee bear antelope ant bat animal information desk touch-screen