Noun:

1. any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs

working Q负载时的Q值workingadj.做工作的；劳动的；工作上的；初步的；暂定的；基本够用的；起作用的n.矿；作业区（复）workings：运作；工作方法.working spouse有工作之配偶working ocular观察目镜working method开采法working dinner工作正餐； 工作晚餐working assets运用资产working system生产法,开采法working spring工作弹簧working stressn.工作应力(指材料在通常应用过程中可安全承受的应力)working budget工作预算working radius工作半径,作用半径

1. It is the most popular working sheepdog in the British Isles.
   为不列颠群岛最受欢迎的使役牧羊犬。
2. An entire flock of sheep can be effectively protected by an unleashed dog.
   解开皮带放开一条牧羊犬的就可以有效保护整个羊群。