“肌肉的”用英语怎么说？

通过胃部肌肉的收缩食物和流质在胃中混合。Foods and fluids are mixed in the stomach by its muscular contractions.桉树油可以很好地缓解肌肉的疼痛.Eucalyptus oil is good for easing muscular aches and pains.人老了肌肉的柔韧性将降低.The flexibility of a man's muscles w...