1. （多指车载的）卫星导航系统 Satnav is a system that uses information from satellites to find the best way of getting to a place. It is often found in cars. Satnav is an abbreviation for (缩略=) 'satellite navigation'.
- We didn't have satnav, so the traditional map and compass took over.
我们没有卫星导航系统，因此使用了传统的地图加指南针。