Green environmental protection rubber grass planting brick (trees protection brick), whose main material is each kind of scrap rubber, is deeply processed product made of 5 to 12-mesh rubber grains.

绿色环保型橡胶植草砖(树木维护砖)的主要原料是各种废弃橡胶，是5 - 12目胶粒的深加工产品。

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The rubber overshoes were big and heavy, I couldn't raise my legs high, so the grass always tripped me.

给我的那双胶鞋又大又重，一会儿我就抬不起脚来，总是被那些草给绊倒。

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There are rubber surfaces, grass surfaces, play areas in circles, including sandboxes, a water game area, a climbing area, an area for drawing, etc.

游戏区域都在一个个圆圈内，包含沙池、水上游戏区、攀爬区、绘画区等。

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Rubber-soled shoes will skid on grass, but on most other surfaces they tend to develop too much friction.

ECONOMIST: Veterinary technology

It's been replaced by what's known as "in-fill" turf systems, which cover a football field with 50 million to 70 million 2.5-inch-tall blades of "grass" made from polyethylene, cushioned by a mixture of rubber pellets and silica that acts as the dirt.

FORBES: Magazine Article

Arlington, Virginia (CNN) -- It may surprise the casual visitor at Arlington National Cemetery to see a rubber duck on a headstone or an old football helmet lying in the manicured grass of a fallen soldier's grave.

CNN: STORY HIGHLIGHTS