- 穴(row; gap)
- 工(craftsman; work)
An empty cave with nothing inside is just hollow space.
airmail
This letter is airmail.
airmail
This letter is airmail.
An empty cave with nothing inside is just hollow space.
Every cow that a person counts is called one item of goods.
An empty cave with nothing inside is just hollow space.
Every cow that a person counts is called one item of goods.
airmail
airmail
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