英语释义
1. a tough plastic substance from the latex of several Malaysian trees (especially Palaquium gutta) of the sapodilla family that resembles rubber but contains more resin and is used especially as insulation and in dentistry as a permanent filling in root canals
2. a tough plastic substance from the latex of several Malaysian trees (genera Payena and Palaquium) of the sapodilla family (Sapotaceae) that resembles rubber but contains more resin and is used in dentistry especially as a permanent filling in root canals