音标发音英式音标 [daɪˈɡæs.trɪk]美式音标 [daɪˈɡæs.trɪk]英式发音 美式发音 基本解释二腹的, 二腹肌。同根派生 英英字典剑桥英英字典 Digastric muscles have two fleshy parts joined by a tendon (= a strong band of fibres). a muscle that opens the mouth by moving the jaw bone down