He learned speed reading to increase his reading speed.

The Eurasian curlew, also known as 大尺鷸, is known for its beautiful call.

He left my message on read.

This regular dodecahedron is a geometric shape with perfect symmetry.

This solid is called a regular icosahedron, and it is made up of 20 equilateral triangles.

He succeeded in developing a charcoal-powered vehicle.

This charcoal-powered vehicle is said to be environmentally friendly.

This game has an R-18G restriction, and people under the age of 18 cannot play it.

My room is the quietest in the house.

In order to solve this problem, first, we need to divide the whole into several parts.