| 摘要 |
A vessel adapted to hold a liquid and having a top portion and bottom portion, the top portion having an opening adapted for the injection of and the removal of the liquid, the bottom portion having an opening including threads. A whistle member capable of producing a whistling sound, the whistle member including threads adapted to be removably attached to the opening of the bottom portion of the vessel by interacting with the threads of the opening, such that after the liquid is removed from the vessel the whistle can be removed from the bottom portion and used to produce whistling sounds.
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