He studied the teachings of Buddhism deeply to understand the meaning of 'two traveling together'.

She was diagnosed with placenta previa.

The issue of the previa vessel is a very important issue in obstetrics.

The prepositional case plays an important role in English grammar.

Prefix notation is a notation where the operator comes before the operands.

Our project is scheduled to be completed on the twenty-second day of the month.

My husband is a doctor.

My younger sister is in her second year of senior high school, and she is busy studying every day.

He moved two steps forward in chess.

He is good at drawing a two-dimensional world.