geocache
noun [ C ] uk/ˈdʒiː.əʊ.kæʃ/ us/ˈdʒiː.oʊ.kæʃ/
地理藏宝，地理寻宝（结合科技GPS 定位、综合解谜的一种寻宝游戏）
a hidden container with small prizes for people to find using GPS
The treasure in a geocache is usually cheap, with items such as key rings and small toy animals. “地理寻宝”的宝物通常都很便宜，比如钥匙圈和小动物玩具等。
geocache
verb [ I ] uk/ˈdʒiː.əʊ.kæʃ/ us/ˈdʒiː.oʊ.kæʃ/
玩地理藏宝游戏，参与地理寻宝活动（结合科技GPS 定位、综合解谜的一种寻宝游戏）
to take part in the activity of using GPS to search for small hidden prizes
I asked if he would like to geocache with me. 我问他是否愿意跟我一起玩地理寻宝。