And so it goes on, further and further back.

所以就这样永远上溯，再上溯。

Would he head up to the shores of Asia? Would he pull nearer to the beaches of Europe?

他又上溯回到亚洲侮岸去吗？他要走近欧洲海岸吗？

A historic, aquatic jewel that researchers say probably dates back to the late 500's A.D.

它是一颗悠久水上明珠，专家称威尼斯可以上溯到公元500。

Look here, I went on, as yet there's no cause for despair. We're going up the coast of Portugal.

，我又说，事情并不是完全没有希望。我们现在沿葡萄牙海岸上溯了。

It’s a tradition that goes back at least 100 years.

【go】这个传统至少可上溯到 100 前。

After touching the Tropic of Capricorn at longitude 135 degrees, it headed west-northwest, going back up the whole intertropical zone.

诺第留斯号航路显然是改变了方向。 在西经135度上接触到南回归线时候，船又上溯南北两回归线间海水，向西北偏西驶去。

That same year the American Morrel, whose reports are dubious, went along the 42nd meridian, finding open sea at latitude 70 degrees 14'.

同，美国人莫列尔，他记述不可靠，从西经42度上溯，在纬度70度14分上发现自由流动海。

It was formed by the long curve of little Mannar Island. To reach it we had to go all the way up Ceylon's west coast.

这海湾由马纳尔小岛延长海岸线所形成。要到这湾，必须上溯锡兰岛整个西部海岸。

Going up Ceylon's west coast during the night, the Nautilus lay west of the bay, or rather that gulf formed by the mainland and Mannar Island.

在夜间上溯了锡兰岛西部海岸，现在到了这海口西边，或不如说，到了马纳尔岛陆地形成这个海湾西边。