a bridge over a ditch consisting of parallel metal bars that allow pedestrians and vehicles to pass, but not cattle
同义词：cattle guard
New fences and cattle grids had been installed to "create greater separation between cattle and people to minimise the risk of further infection", the council said.
BBC: Sutton Park cattle return after E. coli outbreak
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。