Correct

回声

/ huíshēng /
Strokes

Definition

echo

Example

As a Noun

echo

1
Léi
雷达
shì
huíshēng
回声
yuán
原理
wéi
chǔ
基础
de

Radar is based on the principle of echo.

2
Huíshēng
回声
dìngwèi
定位

echo location

3
Huíshēng
回声
shēn

echo depth sounding; acoustic depth sounding