cephalic muscle

英 美
  • 头肌
    1. The quadriceps muscle brings your knee into full extension.
      四头肌肌肉让你的膝进入完全的延长。
    2. She had to concentrate on flexing her pectoral muscle, or the triceps, to power the arm.
      为了给手臂提供力量,她不得不用力伸缩她的胸肌或者三头肌。