grave的同義詞是tomb、vault等，單詞詳細介紹如下：
1、grave，英文單詞，主要用作為名詞、副詞、形容詞、動詞，作名詞時意為重音記號、廢舊機器等的堆積處、格拉維人名。作副詞時意為樂緩慢地，莊嚴地，作形容詞時意為莊重的、嚴肅的、緩慢的。作動詞時意為雕刻，銘記，拷鏟油漆。
2、tomb，英語單詞，主要用作為名詞、動詞，作名詞時譯為地點，作動詞時譯為埋，tomb is a grave, especially one that is above ground and that usually has a sculpture or other decoration on it.
3、vault，英語單詞，主要用作名詞、動詞，作名詞時譯為拱頂，撐竿跳，地下室，作動詞時譯為跳躍，成穹狀彎曲。He could easily vault the wall.他可以輕而易舉地躍過這堵墻。The walls of the vault were plated with steel.保險庫的墻壁都裝了鋼板。