Breaks from the blue-black skin of the water, dragging her shell with its mossy scutes across the shallows and through the rushes The word "dragging" shows that

Dragging shows that the movement of the turtle is awkward and difficult

Explanation:

The excerpt in the context is taken from the beautiful poem, "The Turtle". This poem was written by Ogden Nash. In the poem, the poet, Ogden Nash describes the way the turtle moves and he beautifully describes. He says that the turtle  drags and hunkers. He describes the movement of the turtle to be difficult and awkward.

The main idea of the poem that the author wishes to speak is that every thing in nature is connected in a continuous way.

they both lost a woman they loved named lenore

they believed they interracted with a talking raven

they became orphaned at a young age.