相关单词近义词 plummet 铅锤, plumb （用铅垂）测量...临近词plumbe, plumb, plumbous rhodanate, plumbous bichromate, plumbago refractory, Plumbago esquirolii, plumbaginous schist, plumb in the middle, plumbous antimonate, plumbous subacetate, Plumbeous Seedeater, plumb the depths of 返回 plumb bob