Avalanche transceiver
01
雪崩收发器, 雪崩遇难者定位器
a small electronic device worn by skiers, snowboarders, or mountaineers in avalanche-prone areas that sends and receives radio signals to help locate people buried under snow
例子
When the avalanche hit, his avalanche transceiver helped rescuers find him within minutes.
当雪崩袭来时，他的雪崩收发器帮助救援人员在几分钟内找到了他。
