The Open Dictionary

light bulb

名词

UK/ˈlaɪt ˌbʌlb/
US/ˈlaɪt ˌbʌlb/

定义 light bulb 名词

  1. Countable

    A glass or transparent container, typically rounded, that encloses a component which emits light when an electric current passes through it, such as a filament or an LED.

    • Replacing a light bulb is a straightforward task.

    • When a light bulb is connected to a wire, electricity will flow through it and cause it to illuminate.

    • Innovative designs have significantly improved the efficiency of light bulbs.