echo的意思

基本释义

• n 回声，反响

  a sound that you hear again after a loud noise, because it was made near something such as a wall

• v 重复

  to repeat what someone else has just said

例句

1. Her scream was followed by a loud echo.

   她的尖叫声过后是响亮的回声。

短语

• radar echo 雷达回波
• echo cancellation 回波消除
• ultrasonic echo 超声回波；超声回声
• echo sounder 回声测深器
• flaw echo 缺陷回波；缺陷的回波信号；缺陷回声

近义词

同根词