- 穴(row; gap)
- 工(craftsman; work)
An empty cave with nothing inside is just hollow space.
air pollution
Air pollution is a serious problem.
air pollution
Air pollution is a serious problem.
An empty cave with nothing inside is just hollow space.
The character depicts wisps of vapor rising upward, symbolizing invisible atmospheric air.
Dyeing is soaking wood in water so the color seeps into each wood fiber.
An empty cave with nothing inside is just hollow space.
The character depicts wisps of vapor rising upward, symbolizing invisible atmospheric air.
Dyeing is soaking wood in water so the color seeps into each wood fiber.
air pollution
air pollution
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