- 穴(row; gap)
- 工(craftsman; work)
An empty cave with nothing inside is just hollow space.
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empty set (set theory)
The empty set is a set that has no elements.
empty set (set theory)
The empty set is a set that has no elements.
An empty cave with nothing inside is just hollow space.
Birds perching on a tree in flocks symbolize gathering or assembly.
An empty cave with nothing inside is just hollow space.
Birds perching on a tree in flocks symbolize gathering or assembly.
empty set (set theory)
empty set (set theory)
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