underbody

"the underparts of a bird"

"A robin perched on the fence post outside my classroom window. "

"The art teacher showed the students how to use a bright to blend the colors on their canvases. "

"It is hard work to swim against the current."

"Check the oil in your car once a month."

"The mechanic fixed the broken bicycle chain. "

"My father's truck is a reliable vehicle for transporting the family to the park. "

"My grandpa's orange tree in his backyard produces delicious fruit. "

"The children played in the soft grass of the park. "

"The cat likes to sleep on the underside of the chair to stay out of sight. "

"The former flag of Libya is fully green."

"A cat is an animal, not a plant. Humans are also animals, under the scientific definition, as we are not plants."