Lie on the roller with your knees bent and your feet on the floor, so the roller extends along your spine from your sitting bones to the top of your head.

双膝弯曲，两脚着地，躺在这个滚筒上，让它沿着你的脊柱，一直从尾骨到头顶。

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In this paper, the characteristics of Roller Skating in itself to study the cardiopulmonary function of Roller Skating For primary school students, as well as the impact of body shape.

本文就轮滑运动的本身的特点来研究轮滑运动对于小学生心肺功能以及身体形态的影响。

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Women on roller skates zigzagged through the crowds, apparently to promote Drew Barrymore’s roller-derby movie, “Whip It.”

女人们穿着溜冰鞋在人群中“之”字穿过，最后出场的是德鲁·巴里摩尔的电影《轮滑女郎》。

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She was meant to remember. She faced that possibility as she might the toy street from a high balcony, roller-coaster ride, feeding time among the beasts in a zoo, any death wish that can be consummated by some minimum gesture.

她生来就是为了回忆的，她面临着一种可能性,当她在一个高高的阳台看着玩具街时，当她坐过山车时，当她在动物园里喂野兽时，通过一个小小的手势。

耶鲁公开课 - 1945年后的美国小说课程节选

It takes nine months to train a new roller to make only a small cigar.

ECONOMIST: Cuban cigars

You need to be a high roller to get a flex option in Chicago, but if you want to book a loss on your 1, 000 shares of Apple you could get the same effect using garden-variety puts and calls.

FORBES: Your Portfolio Versus the IRS

Investors who stuck with it over the past three years had to ride a roller coaster to reach those heights.

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