词汇	发音困难
释义	发音困难医Dysphonia
随便看	central-perspective correlation central pest slewing ring Central Philharmonic Society central phoneme Central Physical Evaluation Board central-pick central-pick loom Central Piedmont Community College central pier central pigmentary retinopathy central pile flux central pillar Central-pillar cave central pillar grotto central pilot tunneling method central pin central pintle central pipe central pipeline vacuum aspiration central piping device central pit central pivot Central Pk central place central-place