相关单词同义词shifting sand, 近义词 threat 威胁, swamp 沼泽, marsh 沼泽, quagmire 沼泽, bog 沼泽, mire 泥沼, morass 沼泽临近词quid, quickly, quicksandy, quicksanded, quicksand bed, quicksand layer, quicksand geology, quicksand disposing, quicksand formation, quicksand treatment, quicksand stabilization, quicksand type formation相似词quick-witted, quicken, quickie, quickly, quicksilver, quickstep, quid, quid pro quo, 返回 quicksand