By the middle of the next day, he had enough rocks in the mud on one side of the horse.

到第三天中午的时候，他在马一边的泥里放进了足够的岩石。

youdao

There was a little clearing in the middle of the grove, which was floored with soft grass and moss covered rocks.

树林中央有小一块空地，上面长着软软的草，岩石上还长满了苔藓。

youdao

The main water source is fracture-karst water in Middle Ordovician carbonate rocks.

主要的供水水源为中奥陶统碳酸盐类岩石中的裂隙-喀斯特水。

youdao

And I think that the -- we both agree that a peace based on illusions will crash eventually on the rocks of Middle Eastern reality, and that the only peace that will endure is one that is based on reality, on unshakeable facts.

WHITEHOUSE: President Obama Meets with Prime Minister Netanyahu

Participants in the sweat ritual gather inside a dome-shaped hut or tent, where a pile of heated rocks lies in the middle.

BBC: The origins of bathhouse culture around the world

In the middle of such a place, the Minotaur constructed a square of rocks a mile across.

NEWYORKER: Ziggurat