noun🔗Share伸肌 A muscle whose contraction extends or straightens a limb or body part."The doctor checked the extensor muscle in my arm by asking me to straighten my elbow against his resistance. "医生让我顶着他的阻力伸直胳膊肘，以此来检查我手臂上的伸肌。anatomymedicinephysiologybodyorganChat with AIVocabulary GamePractice Reading
