the topography of an area某地区的地形Landforms of topography, vegetation and climate are influential factors in formation of soils.地形或地形学 、 植被和气候都是对土壤形成有影响的因素.Two types of keratoconus after PKP have remarkable divergence of po...
自封的公共道德的卫道士a self-appointed custodian of public morals她是个有道德的女性,人人都尊敬她.She was such a virtuous woman that everybody respected her.他把每个论题都变成了道德的讨论.He turns every subject into a moral discussion....