To help keep your heart healthy you should aim to do 30 minutes of moderate-intensity activity, such as a brisk walk or gardening, at least five times a week.
为了保持心脏的健康，应当做30分钟适当强度的活动，如快走或修剪花草，每周至少5次。
Do you want to participate in an activity that would be easier if you were slim and healthy?
你想参加一项活动，会比较容易，如果你窈窕健康？
What do you think is the most effective physical activity to keep your body healthy?
你觉得最有效令你保持健康的运动是？
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