劍橋詞典a set of bars , placed over a hole in the road , that allows vehicles to cross , but not animals such as cows and sheep 攔畜溝柵（鋪設(shè)在公路坑洞上的格柵，車(chē)輛可以通行但牲畜無(wú)法通過(guò)） 返回 cattle grid