expression, conjunction
A conjunction pattern used as XにつれY, meaning that as X changes, Y changes accordingly. Often used for gradual, proportional change. Similar to につれて, but slightly more formal or written.
See also: につれて
年を取るにつれ、体力が落ちてきた。
As I get older, my physical strength has declined.
日が経つにつれ、悲しみも薄れていった。
As the days passed, the sadness faded.