muscle

• Exercise will firm up your muscles .
  锻炼身体能使肌肉结实。
• He was using his accessory muscles of respiration .
  他在用呼吸辅助肌进行呼吸。
• The cervical muscles control the movements of the head .
  颈肌控制着头部的动作。
• She would go on kneading his exhausted muscles .
  她又继续按摩他那干瘪了的肌肉。
• His face muscles were working, his eyes fiery .
  他脸上的肌肉在颤动，眼睛冒着火。
• Get your back muscles going .
  再把背部肌肉的力量用上去。
• Corrective exercises will make weak muscles strong .
  矫正运动能使衰弱的肌肉强壮。
• I must take some exercise and loosen up my muscles .
  我必须运动一下，放松放松肌肉。
• He slowly muscled up the cliff .
  他全靠体力攀登悬崖。
• Instead of relaxing, your leg muscles twitch .
  腿部肌肉不但不能松驰，反而紧张抽动。