And he fixed his eye on the darker speck.

目不转睛盯着浮标。

Do you see that dark speck in the shining waters ahead? I am much mistaken if it is not a turtle.

你们看到前面闪闪发光的水面上的黑点了吗？我没猜错的话那是一只海龟。

I nearly despaired, but then I saw a dark speck in the distance.

我几乎绝望了， 但随后我看到远处有一个黑点。

The buoy of the Inchcape Bell was seen, A darker speck on the ocean green; Sir Ralph the Rover walked his deck, And he fixed his eye on the darker speck.

在泛绿的大海上，印奇开普暗礁的浮标只是个黑点；海盗拉尔夫在甲板上踱步，目光盯在了那个黑点上。