giant bow compass

例句：

1. 1. The giant bow compasshelped us find our way back to thecampsite.
   大号指南针帮助我们找到了回营地的路。
2. 2. He used the giant bow compass to navigate through the dense forest.
   他用大号指南针在茂密的森林中导航。
3. 3. The ancient sailors reliedon giant bow compasses for navigationduring their long voyages.
   古代的水手们依靠大号指南针进行长途航行。