exercise读音：[ˈeksəsaɪz]

n.(身体或脑力的) 活动，锻炼，运动; (保持健康或培养技能的) 一套动作，训练活动; 习题; 练习;

v.行使; 使用; 运用; 锻炼; 训练; 操练; 锻炼(身体某部位);

例：

Swimming is good exercise.

游泳是有益的运动。

Exercise is a good safety valve for the tension that builds up at work.

锻炼身体是排解工作压力的好办法。

Exercise will not only lower blood pressure but possibly protect against heart attacks.

锻炼不仅会降低血压，而且可能对心脏病有预防效果。

He collapsed following a vigorous exercise session at his home.

在家剧烈运动了一阵后他突然昏倒了。