- 山(mountain)
- 灰(ash; gray color)
Ash is the gray powder that comes from burning wood on a mountain.
coal (old)
Coal is an important fuel.
coal (old)
Coal is an important fuel.
Ash is the gray powder that comes from burning wood on a mountain.
Ash is the gray powder that comes from burning wood on a mountain.
coal (old)
coal (old)
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