Nests keep warm.
Meaning: This means that nests are able to maintain a temperature that is comfortable for the birds living inside. It's like saying, Nests provide a cozy and comfortable environment for birds.
Choice of Words: Nests are homes that birds build for their eggs and babies. Keep means to maintain or hold something in a certain condition. Warm is the opposite of cold, and describes a comfortable temperature that is not too hot or too cold.
Alternative Expressions
Related Expressions