Word familynoungradabilitygradationgradergradinggrade crossinggrade schoolgradeadjectivegradablegradationalgradationedgradatoryverbgradateadverbgradatimgradationally
American EnglishAmETTT a place where a road and railwaycross each other, usually with gates that shut the road while the train passes 〔公路与铁路的〕平交道口SYN British English level crossing