This substance undergoes a chemical change when heat is applied.

In this experiment, the substance will undergo a chemical change.

He is majoring in agronomy at university.

It is important for each person to fulfill their role.

It's difficult to remember the units of weights and measures.

The little baby is sleeping.

A small bird is perched on the window sill, singing a song.

A small bird perched on the window sill and began to chirp.

My child goes to Matsubara Elementary School.

Where is Mr. Shou?