The Soviet Union was once a powerful nation.

The concession territories in China were established by Western countries from the 19th to the early 20th century.

We had a picnic on the sandy beach.

His wording was very polite.

This plant needs sufficient exposure to light.

He exposed the solar cells to sunlight to charge them.

She made a bowstring using horsehair.

Mr. Sone is my best friend.

The power distribution system in this area is very efficient.

This company is distributing electricity nationwide.