单词	天然碳酸钙
释义	天然碳酸钙natural calcium carbonate
随便看	personal crisis management personal crisis speech personal culture personal data personal data management system personal data management system，pdms personal data sheet personal data sheet (resume) personal data system personal data terminal personal decontamination personal decontamination station waste personal details personal development function personal development system personal diary personal dictionary personal digital assistant personal digital assistant {=pda} personal digital assistant-- pda personal digital assistant; pda personal digital assistant{=pda} personal digital assistant，pda personal digital assistant｛=pda｝ personal digital cellular