graven.坟墓；死亡adj.严肃的；严重的；庄重的v.雕刻；铭记；grave doubts严重的怀疑grave illness重病graveobioside药芹二糖甙, 芹菜双糖甙gravest error最严重错误grave concern深切的忧虑Grave disease格雷夫症, 突眼性甲状腺肿grave clothes寿衣Graves Rupert鲁珀特·格雷夫斯grave warning严重警告　grave problem严重的问题