noun🔗Share古塔胶,杜仲胶 An inelastic natural latex, produced from the sap of several tropical trees of the genera Palaquium and Payena."The dentist used gutta-percha to fill the root canal in my tooth, sealing it tightly. "牙医用古塔胶(杜仲胶)填充了我牙齿的根管,把它严密地封闭起来了。materialsubstanceplantnatureChat with AIVocabulary GamePractice Reading