power button

短语

发音

US

词形变化

power buttons 复数 power buttons

释义与例句

n.
  1. 1.

    A button that switches an electrical device on or off.

  2. 2.

    A button that switches an electrical device on or off.

    A button that switches the computer on or off (or, on more recent models, often enables sleep mode).

    计算机 工程 数学