n. 行使, 执行, 运动, 练习, 作业

vt. 运用, 练习, 运动

vi. 练习, 锻炼

n. the activity of exerting your muscles in various ways to keep fit

n. systematic training by multiple repetitions

n. a task performed or problem solved in order to develop skill or understanding

n. (usually plural) a ceremony that involves processions and speeches