The 24-cell is one of the convex regular polytopes in four dimensions.

He found a regular dodecahedron-shaped spicy cod roe.

He made a model of a regular icosahedron.

She is an expert in dressmaking.

The Reverse Address Resolution Protocol is a protocol for obtaining host names from IP addresses.

Rei is a very clever child.

Ryo is always clear-hearted and sincere.

Like his name, Ryo, he has the strength to endure hardships.

He was sustaining himself with local cuisine during his trip.

This plan is killing two birds with one stone because it can save both time and money.