gastrocnemius
/ˌgæstrɒkˈniːmɪəs/(亦作 gastrocnemius muscle)
noun
(pl. gastrocnemii /-mɪaɪ/)
- Anatomy the chief muscle of the calf of the leg, which flexes the knee and foot. It runs to the Achilles tendon from two heads attached to the femur.【剖】腓肠肌（小腿后部的一块大肌肉）。
词源
late 17th cent.: modern Latin, from Greek gastroknēmia 'calf of the leg', from gaster, gastr- 'stomach' + knēmē 'leg' (from the bulging shape of the calf).