The Mariana Trench is the deepest part of the earth.

Hiroshi is my best friend.

The house over there is very big.

This shape is called a muoctahedron, in other words, a hexagonal four-piece square hole twisted polyhedron.

This wire is bent into a hook shape.

Naohiro is my best friend.

He wrote his name using the character for 'work'.

He answered in a disconcerted manner to the sudden question.

His attack was very powerful.

Kou is always tackling everything with a high-spirited attitude.