Roll cover upward to top of seat back.

向上滚动盖至座位椅背的顶上。

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Roll cover upward to top of seat back.

这椅子的座子上面谁给撒上水了？

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Still, efforts to roll back homework have been opposed by those who counter that there is not enough time in the school day to cover required topics and that homework reinforces classroom learning.

与此同时，减负的努力遭到了很多反对，反对者认为课内的时间根本不能照顾到所有的学习内容，而家庭作业可以巩固课间的学习效果。

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The unnamed song from the Rock and Roll Hall of Famer will cover more than just the events in Boston.

CNN: SHARE THIS

The highly ambitious LTE roll-out now is projected to cover 120 Million subs by end of 2012.

FORBES: Sprint Brings More Drama - Verizon Giggles

Greece's euro-zone partners could find themselves with a large and open-ended commitment to roll over the country's existing debts and to provide cash to cover its budget deficits.

ECONOMIST: Bailing out Greece