He bases this claim on evidence from the Black Sea, where he has identified ancient shorelines under the water.

他的这一说法基于来自黑海的证据，在那里他发现了水下的古代海岸线。

We can see evidence that Lake Missoula repeatedly filled and emptied in the so-called strand-lines marking the hills around the town, each an ancient shoreline of this ice age lake.

我们可以看到证据，米苏拉湖在所谓的链线中反复填充和清空，标志着城镇周围的山丘，每一条都是这个冰河时代湖泊的古老海岸线。