单词	地下河天窗
释义	地下河天窗 sinkhole of underground river
随便看	environment voice environment volume environment vulnerability environment vulnerable group environment vulnerable groups environment water environment water demand environment water quality environment water right environment water volume environment weather condition environment work geology environment working status environment worthiness environment zoning =environment 环境，周围 environmetal error environmetal impact environmetal NGO environmetal pollution improvement environmetal protection Environmet protection environmetrics environmetry environmmental behaviouristics