He rubbed two stones together to produce sparks.

他把两块石头相互碰擦而产生火花。

youdao

He dropped two stones and they hit the ground at the same time.

他丢下两块石头，这两块石头同时落到地面。

youdao

The word is used for the pressure between two stones that grind wheat into flour.

一词的原文，是指麦子在两块大石中间被磨成面粉的过程中，所承受的极大压力。

youdao

The first step in pressing the oil from seeds is to crush the seeds between two stones.

VOA: special.2009.09.29

Two teams take turns pushing stones weighing almost twenty kilograms towards a circular target drawn on the ice.

VOA: special.2010.02.10

The Rolling Stones performed for the first time in nineteen sixty-two.

VOA: special.2009.06.21

Throw one or two stones into the pond and you get a small ripple.

FORBES: Move up http://i.forbesimg.com t Move down

But two stones found in recent years have patterns engraved on them.

ECONOMIST: A cave in South Africa may rewrite human history

Germany's Walter Neusel - 'the 'Blond Tiger' - would prove to be his downfall, a fighter who was two stones heavier than the Welshman.

BBC: 9. Jack Petersen