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 swung the Kusanagi-no-Tachi around.

In learning Japanese grammar, understanding the upper two-step conjugation is important.

When learning Japanese grammar, it is important to understand verbs of the upper monograde conjugation.

He succeeded in a difficult project with the spirit of 'ishi no ue ni mo sannen', which means great works are performed by perseverance.

The levator palpebrae superioris is the main muscle for opening the eyes.

The obliquus capitis superior muscle is part of the neck muscles, helping to tilt the head.