| 摘要 |
A microwave beverage and food preparation apparatus that, in one embodimen t, converts a common fluid vessel such as a cup, mug, or bowl into a whistling kettle. A user places a lid having an alarm on a vessel containing liquid to be heated in a microwave. A member made of, or containing, nucleation-site-rich material on the undersid e of the lid extends into the liquid to activate boiling, thereby assuring a safe transition of the liquid to a normal boiling state. Steam escapes through an integrated whistle in the lid , alerting the user to the boiling.
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