movement, motion和action在指动作的时候的不同之处？
譬如“他的动作很规范”，这句应该用什么词？
我觉得应该如此说：His movements arevery standard.
movement
1. an act ofmoving the body or part of the body （身体部位的）运动，转动，活动
•hand/eyemovements 手╱双眼的活动
•Loose clothinggives you greater freedom of movement. 衣服宽松，可以活动自如。
2. an act ofmoving from one place to another or of moving sth from one place to another 移动；迁移；转移；活动
•enemy troopmovements 敌军的调动
motion
1.[Using.] theact or process of moving or the way sth moves 运动；移动；动
•Newton's laws ofmotion 牛顿的运动定律
2.[C] aparticular movement made usually with your hand or your head, especially tocommunicate sth （为传递信息用手或头做的）动作
At a singlemotion of his hand, the room fell silent. 他手一挥，屋子里便安静了下来。
action
1.the process ofdoing sth in order to make sth happen or to deal with a situation行动；行为过程
•The time has comefor action if these beautiful animals are to survive. 若要使这类漂亮的动物能存活下去，目前就要行动起来。
2.[C] a thingthat sb does 所做之事；行为
•Her quick actionsaved the child's life. 她行动飞速，救了孩子的命。
3. the way a partof the body moves or functions （身体部位的）动作，功能
•a study of theaction of the liver 对肝功能的研究
