词汇	环境噪声级
释义	环境噪声级 ambient noise level
随便看	natural sandstone material natural sand therapy natural sand with stone natural sapid substance natural satellite Natural Satellites natural sauce natural sausage casing binding machine natural sausage skin natural scale natural scale graphite natural scarcity natural scasoning natural scattering natural scene Natural scene image natural scenery Natural scenery and anthropological spectacle natural scenery and pastoral poetry natural scenery areas Natural scenery/attraction natural scenery resources natural scenery sightseeing place natural scenes natural scene spot