英文表达方式：I exercise three times a week.
这种表达方式来自英语日常会话，可以用来简要说明个人的锻炼习惯。
举个例子：
Example 1:
Engpsh: I exercise three times a week to stay healthy.
Chinese Translation: 我每周锻炼三次以保持健康。
Example 2:
Engpsh: I make sure to exercise three times a week to keep my body in shape.
Chinese Translation: 我确保每周锻炼三次以使身体保持良好状态。