cheliceral guides

例句：

1. 1. The cheliceral guides were designed to help people navigate through the dark forest.
   蛇形眼镜指南旨在帮助人们在黑暗的森林中导航。
2. 2. The cheliceral guides are essential for pilots who need to land in remote areas.
   蛇形眼镜指南对于需要降落在偏远地区的飞行员来说是必不可少的。
3. 3. The cheliceral guides have been updated to include more accurate information about navigational aids.
   蛇形眼镜指南已经更新，提供了更精确的关于导航辅助设备的信息。