🖲️

轨迹球

A trackball, as rotated to control a cursor on a computer. An alternative or supplement to a computer mouse or touchpad. Generally depicted as a cordless device with a blue or red ball in a cylindrical, black or gray socket.

Occasionally used for various content concerning gaming. Facebook’s design featurs a rectangular base, while Google’s design previously featured a cord.

轨迹球 在 2014 被批准为 统一码7.0 的一部分,并在 2015 被添加到 Emoji 1.0 中.