By July 23 the Great Eastern was lying no farther than 800 kilometers from Newfoundland.

7月23日，“大东方号”船只距离纽芬兰岛只有800公里。

It's a group of cicadas also known as the Great Eastern Brood, these insects have been underground for the last 17 years.

这是一群蝉，也叫做东部大幼虫，这些昆虫已在地下生活17年。

If ever in history men had been able to calculate on a certainty for a lifetime in advance, the citizens of the great Eastern seaports could do it in 1850 when their railway systems were already laid out.

如果历史上有人能够提前计算一生的确定性，那么东部大海港的公民可以在 1850 年铁路系统已经铺设好时做到这一点。