单词	tar sands
释义	tar sandsˈtar sands noun [plural] sand or sandstone that contains bitumen (=a thick form of oil) which can be taken and used, for example as fuel
随便看	coagulate coagulation coal coal-black coal bunker coal cellar coalesce coalescence coalface coalfield coal-fired coal gas coal hole coalhouse coalition coalman coal mine coal miner coal scuttle coal tar coarse coarse fishing coarsely coarsen coarseness

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