环球定位系统
huán​qiú​dìng​wèi​xì​tǒng

Global Positioning System

  1. 环球 環球 huán​qiú
    the whole world
    the whole world; the entire earth
  2. 定位 dìng​wèi verb + noun
    to position
    to determine a location using instruments or measurements; to orient; to track a position
  3. 系统 系統 xì​tǒng noun
    system
    A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.