Americans gathered in bars, living rooms and other places rode an emotional roller coaster, their hopes high on multiple occassions only to be dashed in the end.

美国人聚集在他们的酒吧，起居室和其他地方，就好像坐着情感过山车一样，他们的希望，在很多时候，达到顶点，最后却彻底落空。

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Produced in high definition, "Powering the cell" takes viewers on a swooping roller coaster ride through the microscopic machinery of the cell.

这段高清视频让观众如同坐着云霄飞车在细胞内部的微观机构中自由驰骋一般。

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This starts your day with a high blood-sugar level, which your body will quickly adjust for and drop, and you’ll be on a roller-coaster blood-sugar ride all day.

这样的早餐开启的将是高血糖的一天，你的身体会迅速调整和下降，而血糖在一天内像过山车似起伏。

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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

Its sole was high and thick, with the swooping shape of a roller coaster.

NEWYORKER: Sole Mate

Also, Arena shares have gotten pretty rich, more than doubling in the past three years. (The past 12 months have been a roller coaster ride, with shares rising as high as 20 and falling as low as nine.) Investors should continue to view it with cautious optimism.

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It's been every single day a roller coaster ride because I have a senior in high school.

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