He suffered from oxygen deficiency while climbing the mountain.

He was driven to the edge of a cliff economically.

He is a person of mixed race from Japan and America.

When spring season comes, I always look forward to eating warabimochi.

There is a wonderful exhibition at the museum.

The Fibonacci sequence appears in many phenomena in nature.

This cell divides to create new cells.

His brother was diagnosed with schizophrenia a long time ago.

Solving problems of arithmetic sequence is difficult.

Understanding geometric sequences is important for understanding mathematics.