n.牧场巡修围栏工人
boundary riders───n.牧场巡修围栏工人
boundary layer───[流][数]边界层
boundary line───边界线；疆界线
boundary lines───边界线；疆界线
boundary layers───边界层（boundarylayer的复数）
boundary fences───边界栅栏
boundary disputes───领土纠纷；边界争端
boundaries───n.边界，界线（boundary的复数形式）；界限
boundary fence───边界栅栏