" Exomoons are terra incognita, " Kipping said, using a Latin term meaning unknown land.

" 外行星是未知的领域，" 基平说，他使用了一个拉丁语术语，意思是未知的土地。

But with the exception of the North Pole, these so-called terra incognita weren't really unknown— at least not to the people who lived there.

但除了北极之外，这些所谓的未知之地并不是真的不为人所知— —至少对住在那里的人来说是这样。

Half-a-dozen pieces of evidence, and twenty years before even so much could be got together; and who knows what mirage or terra incognita may be beyond all this?

六条证据，二十年前就可以收集到这么多证据； 谁知道这一切之外可能是什么海市蜃楼或未知领域？

Though the words themselves were actually quite rare, the sentiment was common among medieval European mapmakers, who often scrawled dragons and sea monsters over terra incognita— blank spots on the map.

尽管这些词本身实际上很少见，但这种情绪在中世纪的欧洲制图师中很常见，他们经常在未知的土地上潦草地画上龙和海怪——地图上的空白点。