| 摘要 |
The present invention provides a display apparatus comprising a body which defines a cavity for receiving a liquid and means for producing gas bubbles in the liquid wherein a substantially fluid-tight seal is provided between the cavity and an external environment. The present invention also provides a display apparatus wherein the distance between the walls of at least a portion of the cavity is similar to the desired diameter of the bubbles in the cavity. Such display apparatus are useful for simulating a container of bubbling liquid. |
