| 单词 | working dog |
| 释义 | working dog working dog n.（名词）Any of various breeds of dogs developed or trained to do useful work, such as herding animals, pulling wagons or sleds, or guarding property.役用犬：几种狗的一种，开发或培养来做有用的工作，如看守畜群、拉车或雪撬，或看守财产 |
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