He taught me how to calculate the geometric mean.

He fractured his metatarsal bone.

The Second Sino-Japanese War was a war that lasted from 1937 to 1945.

This shop is currently open.

He always keeps in mind the phrase 'If one learns without thinking, it is a waste.'

In this park, a tree called Kogatama-no-ki, an alternative spelling of Shourei-no-ki, is planted.

He ended up spoiling the ship for a ha'p'orth of tar because he didn't pay back a small debt.

The Steller's eider is a type of duck that breeds in the Arctic region.

He is doing special exercises to strengthen the opponens digiti minimi muscle of his foot.

He was working on that project round the clock.