单语范例（未经PONS编辑处理）
Steel cattle guards are also expensive to transport and offload.
en.wikipedia.org Cross the cattle guard and proceed a short distance to the parking area.
en.wikipedia.org This road was also graded and drained, and had three cattle guards located along its course.
en.wikipedia.org They have installed cattle guards and fencing at strategic locations to stop large numbers of grass eating species from causing damage.
edmontonjournal.com Due to continued exposure to the elements steel cattle guards need to be painted or constructed from galvanized steel to minimize corrosion.
en.wikipedia.org