◙ (pl. -oes) 1. (pl. -oes)a sound or series of sounds caused by the reflection of sound waves from a surface back to the listener • 回声，回音 »the walls threw back the echoes of his footsteps. 墙壁反弹出他脚步的回音。 a reflected radio or radar beam • 回波；反射波 [mass noun] the deliberate introduction of reverberation into a sound recording • （录音中的）加入回声效果 [Linguistics] the repetition in structure and content of one speaker's utterance by another • [语言学] （话语结构和内容的）重复 a close parallel or repetition of an idea, feeling, style, or event • 共鸣，响应 »his love for her found an echo in her own feelings。 他对她的爱引起了她的共鸣. [常作 echoes] a detail or characteristic that is suggestive of something else • 引起联想的细节（或特性） »the cheese has a sharp rich aftertaste with echoes of salty, earthy pastures。 这种奶酪有种浓烈的后味，让人联想起那带着咸味和泥土芬芳的牧草. (archaic)a person who slavishly repeats the words or opinions of another • [古] 应声虫，附和者 used in names of newspapers • ［用于报纸名中］…回声 »the South Wales Echo. 《南威尔士回声报》。 2. [Bridge] a play by a defender of a higher card in a suit followed by a lower one in a subsequent trick, used as a signal to request a further lead of that suit by their partner • [桥牌] 打回应牌（出某花色牌时先大后小，作为鼓励同伴续攻此牌的信号） 3. a code word representing the letter E, used in radio communication • 无线电通讯中代表字母E的代码字 ◙ (-oes, -oed) 1. [no obj., with adverbial] (of a sound) be repeated or reverberate after the original sound has stopped(echoing) • （声音）回响，回荡 »their footsteps echoed on the metal catwalks. 他们的脚步声在Ｔ型台的金属地面上回响。 (of a place) resound with or reflect back a sound or sounds • （地方）发出回声，产生回响 »the house echoed with shouts and thundering feet. 屋子里充满了叫喊与跺脚的回声。 (figurative)have a continued significance or influence • [喻] 持续影响 »illiteracy echoed through the whole fabric of society. 文盲问题影响了整个社会结构。 [with obj.] [常作 be echoed] repeat (someone's words or opinions), typically to express agreement • （尤指表示赞同）重复（某人的话或观点） »these criticisms are echoed in a number of other studies. 许多其他研究转述了这些评论。 »[with direct speech] ‘A trip?’ she echoed. “旅行？”她重复道。 [with obj.] (of an object, movement, or event) be reminiscent of or have shared characteristics with • 使联想起（某物，动作，事件），使回忆起 »a blue suit that echoed the colour of her eyes. 一套令人联想到她眼睛颜色的蓝色套装。 [with obj.] [Computing] send a copy of (an input signal or character) back to its source or to a screen for display • [计算机] 回送（输入的信号或字符） »for security reasons, the password will not be echoed to the screen. 为安全起见，屏幕上将不显示所输密码。 [Bridge] (of a defender) play a higher card followed by a lower one in the same suit, as a signal to request one's partner to lead that suit • [桥牌] 发出回声信号
【IDIOMS】
◘ applaud (或 cheer) someone to the echo 1. applaud (or cheer) someone enthusiastically • 为某人大声叫好，为某人喝彩