The leaves of S. natans block sunlight from reaching very far underwater.

The corn was above his shoulders, and the leaves on the trees blocked his view.

Most plastic guttering is smooth, but some brands are ribbed inside, which improves the rigidity and allows some water to flow even when leaves are blocking the gutter.

Moonlight shrank from him, and shadows took him in; the intervening limbs and leaves of the California pepper blocked him from further view.

They had no leaves to block the view; they just stood there with their long, high trunks glistening white in the sunshine.

The reason for this was that the fallen leaves blocked our sluice and had to be removed manually with a hay rake at least three times a day and often at night as well.

In 24 hours the leaves had blocked out the house.

Their leaves blocked most of the sunlight.

The holly's leaves blocked most of her view, but a steady green glow from the tree's center backlit shadowy forms; the fight was more terrible than she could have anticipated.

These small leaves, however, do not fully enclose the muzzle diameter, and so block only the worst blast path, while allowing the majority of escaping gases to circumvent the shield by traveling around them, still reaching the shooter's ears, causing unacceptable hearing damage.