而这就是美国的力量所在，因为它意味着我们从不同的文化、不同的饮食和不同的想法中学到东西，这使我们的社会变得更加生机勃勃。

And that is a great strength of the United States, because it means that we learn from different cultures and different foods and different ideas, and that has made us a much more dynamic society.

youdao

只要在锻炼中加入有氧训练、力量训练和拉伸并且配合健康的饮食，你就可以一直拥有匀称的体态。

Just add a few balanced workouts that include cardio, strength training and stretching, combine this routine with a healthy diet and you can expect to be in good shape all year round.

youdao

所以，当你靠限制饮食来减少多余的脂肪时，你也同时损失了肌肉组织，进而引起肌肉力量和游泳成绩的下降。

So, while you may lose some excess body fat by restricting your food intake, you can also lose muscle tissue, leading to a decline of muscle strength and swimming performance.

youdao