Two months earlier we would have enjoyed perpetual daylight in this latitude; but night already fell for three or four hours, and later it would cast six months of shadow over these circumpolar regions.
早两个月,在这纬度内,可能永远是白天,但现在已经有三至四小时的黑夜了,再迟一些,黑夜就要长到六个月。把它的阴影遮盖这些环极圈地方。