VOA慢速英语:Physical Exercise Lowers Risk of Some Diseases, Experts Say

1. To get the most from your exercise plan, experts say adults should get at least two and a half hours of aerobic exercise each week.

at least 至少
例句：You should read one book a month at least. 
你一个月至少应该看一本书。 

2. In addition, the newer suggestions say any exercise plan should include at least two days of muscle training.

in addition 另外
例句：They eat a great deal of fruit in addition.
他们还吃大量的水果。

3. Since then it has spread around the world.

spread around 分散
例句：Ball games have spread around the world. 
球类运动已经在世界各地传播开了。 

4. If one of the goals of your exercise program is to lose weight, you will also need to change how and what you eat.

lose weight 体重减轻
例句：I think she might have lost a bit of weight.
我想她体重可能减轻了一些。

5.  Next week we will look at the influence of diet on your weight loss efforts.

look at 看
例句：Look at the map, please.
请看这张地图。