muscle

• The deltoid muscle is small in infants and young children .
  婴儿和幼儿的三角肌很小。
• Cardiac muscle is the muscle out of which the heart is made .
  心肌是构成心脏的肌肉。
• Their muscles became limp .
  他们的肌肉变得软弱无力。
• The pylorus may be palpated as a thick ring of muscle .
  可触诊出幽门是增厚的肌肉环。
• He concentrates on the bone and muscle of his tale .
  他集中全力构思故事的结构和内容。
• The muscles of the duke's face jerked spasmodically .
  公爵脸上的肌肉一阵一阵地抽搐着。
• Exercise tones up the muscles .
  运动可使肌肉强健。
• Exercise tones up the muscles .
  运动能使肌肉发达。
• He flexed his long stringy muscles manfully .
  他孔武有力地弯起膀子，显露出细长条的肌肉。
• Tom's fright weakened every muscle in his body .
  汤姆所受的惊骇使他全身的肌肉都没有劲了。