grammatical

a.符合语法规则的，语法通顺的

gradient, gradual, gradually, gradualness, graduate, graduated, graduated pension, graduation, Graeco- (also esp US Greco-), graffiti, graft, grail, grain, graininess, grainy, gram, gram (also gramme), grammar, grammar school, grammarian, grammatically, gramme, gramophone, gramophone record, grampus, gran, granary, grand, Grand Banks, grand duke, grand finale, grand jury, grand master, grand opera, grand piano, Grand Prix, grand slam, grand total, grand tour, grand-,