Farmers can start rotational grazing by removing animals from a pasture when the grass is eaten to less than five centimeters.

VOA: special.2010.01.19

The Old Testament prophet had said, "All flesh is grass," an important verse for the new dispensation of Christianity.

旧约里说，“凡有血气的，尽都如草“,这是基督教教义新体系中的重要一条。

耶鲁公开课 - 弥尔顿课程节选

They picnic and they barbecue, and just sit out on the grass and just relax. You know it's a beautiful park.

他们在那里野餐，露天烧烤，或者简单地坐在草地上放松。那是一个很美的公园。

河滨公园 - SpeakingMax英语口语达人

That's because the native flora, largely buffalo grass and big blue stem grass, is notable for sinking unusually intertwined roots.

ECONOMIST: Building houses

Grass-cutting ants occur in the Chaco region of north Argentina and Paraguay and belong to a subgroup of leaf-cutting ants that specialise in harvesting grass leaves.

BBC: Earth News - Ant's head balancing act revealed by video

Grass beds declined by nearly a third in the upper bay, but the survey found the large Susquehanna Flats grass bed remained very dense and robust.

WSJ: Chesapeake Bay grasses decline again