Meanings of stays moist in English

Under the shade of the trees and mulched thickly by leaves, the forest floor usually stays moist.

True, while the surface layer stays moist, water will steadily be wicked up by capillarity and be evaporated from the soil's surface.

The fish skin has high levels of collagen type 1, stays moist longer than gauze, and does not need to be changed frequently.

I like to put just enough glue for one width of foil, so that the glue stays moist while the foil is applied.

Plus the turkey cooks quickly and stays moist due to the intense heat surrounding the can and the enclosed environment inside of this makeshift oven.