echo

释义

n. 回声, 回音, 回波\nvi. 发回声, 随声附和\nvt. 摹仿, 重复, 反射\n[计] 回显; DOS批处理命令:控制MS-DOS命令是否在屏幕上显示 radar echo 雷达回波 echo cancellation 回波消除 ultrasonic echo 超声回波；超声回声

例句

‘You bet,’ she said, echoing his words.

“当然啦。她重复着他的话。

The sound of an engine echoed back from the thick forest.

从茂密的森林里传来引擎的回声。