There are a lot of delphacids in this rice field.

Delphacids are pests of rice, causing significant damage to crops.

The top of the mountain was covered in cloud and mist.

The Horsehead Nebula is one of the celestial bodies that symbolize the beauty of the universe.

Undecene is produced in this chemical reaction.

He is plowing the land.

She wove an old cotton cloth using a spinning wheel.

His room was as disordered as a '紜'.

Yun was removing weeds in the field every day.

This room is piled up with stacks.