Understanding the concept of 'Ha-line conversion sounds' is important in learning Japanese.

The length of this molecule is about 1 angstrom.

The size of this molecule is a few angstroms.

He was sentenced to 20 years in prison.

Hajime decided to start a new project.

His actions are showing a portent of danger.

I like listening to music.

His speech captivated the audience.

The leaf of this tea plant is vividly green, isn't it?

The population of this town is rapidly increasing.