buttress

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The children physically exhausted themselves playing tag in the park. "

"The old oak tree was buttressed by thick wooden beams to prevent it from falling over in strong winds. "

"The student's claims about the historical event needed to be substantiated with evidence from reliable sources. "

"The children scrambled up the hill to reach the playground faster. "

"I brush my teeth regularly to prevent them from turning yellow."

"The birds had built an amazing structure out of sticks and various discarded items."

"The witness's statement corroborated the victim's account of the incident. "

"The new student sat prominently in the front row of the classroom. "

"strengthen a muscle"

"The old building's roof collapsed during the storm, sending debris everywhere. "

"The small village nestled on the mountainside, offering stunning views of the valley below. "