He is known as an expert in psychoanalysis.

Mr. Sekigami bought a necklace for his wife’s birthday.

He divided the tree and made firewood.

He shot an arrow at the target.

This cloth is one shaku square.

He is strong like a stone.

The Neolithic was an important period in human history.

This mineral is called ulexite and has special optical properties.

The spinal reflex is a part of our body that reacts automatically.

He is an expert in analytical mechanics and deeply understands its theory.