A fence separated the cows from the pigs.

把奶牛和猪分开。

The fence is strategically sited to prevent anyone getting onto the beach.

这个地点选择得很有策略，可以止任何人到。

Such events are particularly associated with hill farming areas, where sheep range widely on largely unfenced land.

这类赛事经常举行于山农区，在那里羊只广为散布于大面积没有草地。

The horses were swiftly corralled.

马群被迅速赶进了。

The two floor openings were totally unfenced and the workers were not provided with any safety belt or fall arresting device.

两个洞口当时全无隔，亦无给予工人安全吊带或防堕装置。