Sometimes at night, other hippos came from the nearby river to eat grass.

有时在晚上，附近河里的其他河马会来吃草。

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We need support at grass-roots level.

我们需要基层的支持。

《牛津词典》

Dickon looked across the grass at the tree and Mary looked and there was a brief moment of stillness.

狄肯隔着草地望着那棵树，玛丽也望着，然后是短暂的寂静。

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Sod can grow at times and in places where growing grass from seed is difficult.

VOA: special.2009.07.07

She was surprised at what she saw in the wet grass.

VOA: special.2009.02.28

Opponents have already spent millions of dollars on television ads aimed at whipping up grass-roots opposition to the Obama plan.

VOA: standard.2009.07.31

And for all the growth at grass-roots, Russia's federal government remains on the whole disdainful.

ECONOMIST: Russian love in a cold climate | The

Mycroft regarded his younger brother's liking to paw at grass blades for clues as low-class, and vaguely amusing.

FORBES: CEOs for the next century

The last four years have seen interest in club rugby soar with record Premiership crowds and increased participation at grass-roots level.

BBC: SPORT | Rugby Union | English | A Rugby World Cup winners' tale