| 摘要 |
A baby bottle has a main body with an upper portion and a lower portion, and a neck provided with threads for removably attaching a standard nipple and collar thereto. An insulated structure of the main body includes an inner wall, an outer wall, and an air space between the walls for maintaining the liquid contents hotter or cooler for extended periods of time, while also preventing the formation of condensation on the outside of the bottle. Luminescent elements, such as shapes, letters or numbers, are applied to the outer surface of the inner wall to enhance visibility of the bottle and the level of the liquid contents in dark or low light conditions. In an alternative embodiment, the luminescent material is incorporated into the composition of the wall structure during the molding process. The lower portion of the main body is shaped for easy grasping by infants and toddlers. The upper portion is angled relative to the lower portion, creating a smooth curve from the bottom to the neck to promote fluid flow to the nipple while lying down or sitting upright, thereby reducing ingestion of air while nursing.</PTEXT>
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