cattle grid
noun [ C ] UK uk/ˈkæt.əl ˌɡrɪd/ us/ˈkæt̬.əl ˌɡrɪd/ (US cattle guard)
拦畜沟栅（铺设在公路坑洞上的格栅，车辆可以通行但牲畜无法通过）
a set of bars, placed over a hole in the road, that allows vehicles to cross, but not animals such as cows and sheep
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