echolocation
🇺🇸
/ˌekəʊləʊˈkeɪʃn/
🇬🇧
/ˌekəʊləʊˈkeɪʃn/
How some animals find things using sounds that bounce back.
Bats use echolocation to find their way in the dark.
蝙蝠使用回声定位在黑暗中找到自己的路。