There's a reason Marisa Tomei and Beyoncé hoop to keep their bodies beautiful—it's a major fat-and-calorie torcher.

玛丽莎·托梅和碧昂斯坚持转呼啦圈来保持她们动人的身材，这是有原因的，转呼啦圈可是消耗脂肪和卡路里的一大攻略。

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Marisa:… Sorry but… Who are you?

魔里沙：…不好意思…你是谁？

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Marisa: But you also used your dolls!

魔里沙：但是你也用了人偶啊！

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Marisa Cochrane Sullivan, is a research director with the institute.

VOA: standard.2010.03.12

To read more about her other projects, check out Marisa Miller: Supermodel Turned Super-Brand .

FORBES: Marisa Miller Expands Her Brand With A New NFL Stint

And we're talking to bloggers Marisa Trevino and Josue Sierra about the week in politics.

NPR: Latino Bloggers Watch 2008 Candidates Closely

Joining us to talk about all of these is journalist and blogger Marisa Trevino.

NPR: Latino Bloggers Watch 2008 Candidates Closely