There are many beautiful katsura trees in the park.

This factory strictly controls the emission of hydrogen sulphide.

The troposphere is the lowest part of the Earth's atmosphere, and most of the weather occurs here.

Carina is one of the constellations in the southern hemisphere.

Mr. Sato is good at helping people in trouble.

Ryo is always clear-hearted and sincere.

Shosuke is my best friend.

My schedule is very busy.

He was surprised by the sudden escape.

He escaped through the window.