He made a model of a dodecahedron.

This shape is a parallelogram.

He is working round the clock.

My four treasures of the study are a fountain pen, a pencil, an eraser, and a ruler.

He is doing squats to train his quadriceps femoris muscle.

Please calculate the quartiles of this data set.

This regular tetrahedron is composed of equilateral triangles on all sides.

He is a Chinese person.

He urged us to hurry, saying 'time and tide wait for no man.'

He is a foreigner, but he can speak Japanese fluently.