- 穴(row; gap)
- 工(craftsman; work)
An empty cave with nothing inside is just hollow space.
be high up in the sky
The airplane swept past through the air.
be high up in the sky
The airplane swept past through the air.
An empty cave with nothing inside is just hollow space.
An empty cave with nothing inside is just hollow space.
be high up in the sky
be high up in the sky
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