单词	Hilly lands
释义	Hilly lands 山地丘陵
随便看	surface law surface layer of the metal surface layer pressure surface layers surface layer sealing Surface layer sediment surface layer stress Surface layer structure surface layer temperature surface layer temperature scale surface layer Surface layer atmosphere surface layer coating surface-layer composite surface layer composite material surface layer concrete surface layer conduction surface layer construction surface layer deposit surface layer examination surface layer fertilization surface layer furnish filling surface layer intake method Surface layer microstructure surface layer nitriding