timber dog

例句：

1. 1.The timber dog was a loyal companion to the hunter.
   这个木材狗是猎人的忠实伴侣。
2. 2.The timber dog had been trained to detect and alert humans to danger.
   这个木材狗被训练来检测并警告人类危险。
3. 3.The timber dog was used as a guide for the construction crew.
   这个木材狗被用作施工团队的向导。