cattle-grid

n (usu metal) grid covering a ditch in a road so that vehicles can pass but not cattle, sheep, etc 拦畜沟栅（通常为金属制的架子, 置於路中的沟上, 车辆可通过而牛羊等无法通过）.

cathedral, Catherine wheel, catheter, catheterize, -ise, cathode, cathode ray, Catholic, Catholicism, catholicity, catkin, catmint, catnap, catnip, cats-paw, catsuit, catsup, cattily, cattiness, cattle, cattle-cake, catty, catwalk, Caucasian, caucus, caught, caul, cauldron (also caldron), cauliflower, cauliflower cheese, cauliflower ear, caulk, caulk (also esp US calk), causal, causality, causation, causative, cause, causeway, caustic, caustic soda,