Flight is the form of locomotion that puts the greatest demands on muscles.
飞行是对肌肉要求最高的运动形式。
《柯林斯英汉双解大词典》
The higher their capacity to bind at the receptors, the higher their ability to stimulate locomotion.
它们结合受体的能力越强,它们刺激运动的能力就越强。
"In general," they reported, "the ability of the compounds to compete at the receptors correlates with their ability to stimulate locomotion in the mouse."