A fence separated the cows from the pigs.

围把奶牛和猪分开。

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

这围地点选择得很有策略，可以阻止任何人到海滩上。

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

这类赛事经常山农区，在那里羊只广为散布大面积没有围草地。

The horses were swiftly corralled.

马群被迅速赶进了围。

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

洞口当时全无围阻隔，亦无给予工人安全吊带或防堕装置。