echo ['ekəu] n. 回声,回音,回波v. 发回声,随声附和,摹仿n.[计算机] DOS命令 :禁止(或允许)批处理命令行显示屏幕上词形变化:形容词:echoey 名词复数:echoes 名词:echoer 动词过去式:echoed 过去分词:echoed 现在分词:echoing 第三人称单数:echoes 例句与用法:Her performance was cheered to the echo.她的表演获得长时间的喝采。She shouted on the mountaintop and listened for the echo.她在山顶上大声喊着，然后聆听着回声。The room echoed with their happy laughter.房间里回荡着他们的欢笑声。His voice echoed in the big empty hall.他的声音在空荡的大厅里发出回声。
