1. The sailor used an astrocompass to navigate the open seas.
那位水手使用星盘指南来航行大海。

2. The astrocompass helped the astronauts find their way back to Earth.
星盘指南帮助宇航员找到回到地球的路。

3. It is important to calibrate the astrocompass before embarking on a journey.
在启程前校准星盘指南是很重要的。

4. The astrocompass pointed towards the North Star, guiding the travelers in the right direction.
星盘指南指向北极星，引导旅行者朝正确的方向前进。

5. The ancient mariners relied on the astrocompass to navigate the vast oceans.
古代航海者依靠星盘指南来航行广阔的海洋。

6. The astrocompass was a crucial tool for early explorers seeking new lands.
星盘指南是早期探险家寻找新陆地的关键工具。