Visible light is the range of light visible to the human eye.

He is attending a prep school for university entrance exams.

Gojoseon was the oldest dynasty in East Asia.

He used to work as a miner when he was young.

He looked out over the wilderness and felt a sense of freedom and vastness.

We launched a large-scale advertising campaign to disseminate information about the new product.

Looking over the wide plain, beautiful flowers were blooming.

We have launched a major campaign for the announcement of the new product.

He persuaded people using flattery.

The farmer is working in the field from early morning.