diffuse

"My teacher explained the new math concept, and I understood it perfectly. "

"to concentrate rays of light into a focus"

"The scent of freshly baked cookies diffuses throughout the house. "

"He delivers the mail everywhere on this street."

"My sister is very helpful, especially when it comes to organizing things. "

"Professor Smith, the head of the history department, gave a fascinating lecture on the Roman Empire. "

"We could color the walls red."

"Winning the lottery is an unlikely prize for most people. "

"The teacher explained the lesson thoroughly throughout the entire class period. "

"I checked the list again and everything is done."

"The scent of lavender diffused throughout the room, creating a calming atmosphere. "

"The explanation was long and drawn-out."