词汇	pith, medulla
释义	pith, medulla 髓
随便看	metal clip bag closure, sack closure metal clips metal closed Metal Closure Crown Cop metal cloth metal cloth filter metal cluster metal cluster catalyst metal cluster catalysts metal cluster complex compound metal cluster compound metal clusters metal coal gas pipeline metal coat metal-coated metal coated abrasive grain metal-coated conductor metal-coated diamond abrasive metalcoated fiber metal coated fiber metalcoated fibre metal coated fibre metal-coated fibre metalcoated fused silica filament metal coated fused silica filament