“回声”造句

大多数蝙蝠靠回声定位来飞行。
Most bats navigate by echolocation.

她在山顶上大声喊着,然后聆听着回声.
She shouted on the mountaintop and listened for the echo.

蝙蝠用一种回声测定法来判断距离.
The bat judges distances by a kind of echo - location.

• #回声