拦畜沟栅（铺在公路坑上的金属架，车辆可通过，但牛羊过不去） metal bars that are placed over a hole that has been made in the road. Cars can pass over the metal bars but animals such as sheep and cows cannot.
N-COUNT拦畜沟栅(铺在路面上的金属架，防止牲畜通过，人、车可通行) A cattle grid is a set of metal bars in the surface of a road which prevents cattle and sheep from walking along the road, but allows people and vehicles to pass.
