explications

"He is a student of life."

"The school's computer network is a complex of interconnected systems, linking classrooms, libraries, and administration offices. "

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

"The meaning of the teacher's hand gesture was clear: "Pay attention." "

"My daughter's teacher is very kind and helpful. "

"To explain a chapter of the Bible."

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

"Turn the doorknob to open the door."

"Professor Thompson, the renowned expositor of Shakespeare, captivated his students with his insightful interpretations. "

"The teacher patiently explained the math problem, and the students were able to understand the steps involved. "

"to unfold a map; to unfold a tablecloth; she unpacks the new dress and unfolds it carefully"

"The explanation was long and drawn-out."