GPS

劍橋詞典

abbreviation for global positioning system : a system that can show the exact position of a person or thing by using signals from satellites (= objects in space that send signals to earth )
全球衛(wèi)星定位系統(tǒng)（一種結(jié)合衛(wèi)星及通訊發(fā)展的技術(shù)，利用導(dǎo)航衛(wèi)星進(jìn)行測時和測距，global positioning system的縮寫） 返回 GPS