狗

Dogs pull wagons or sleds in some countries. On farms, they take care of sheep and keep them in the fields.

在一些国家，狗会拉车或拉雪橇。在农场，它们照看羊群并把羊留在田里。

Police use dogs to look for missing people. Dogs also help blind people.

警察用狗寻找失踪的人。狗也帮助盲人。