echo

音标发音

• 英式音标 [ˈek.əʊ]
• 美式音标 [ˈek.oʊ]
• 国际音标 ['ekəu]
• 英式发音
• 美式发音

基本解释

• vi.发出回声；回响
• vt.重复；模仿；附和
• n.回声；重复；共鸣
• Echo.
• n.[希神]山林女神（失恋于那喀索斯；其哀声留于山间成为回声）

词源解说

• 14世纪中期进入英语，直接源自拉丁语、希腊语的ēkho，意为声音，回声。

同根派生

• n性质的同根词

  echoing：呼应；回音；反照现象。

• v性质的同根词

  echoing：回响，呼应（echo的现在分词）。

• echo相关词

用法辨析

v. (动词)

• echo的基本意思是“回音,反响”,引申可表示“重复”“随声附和”“反映”等。
• echo既可用作不及物动词,也可用作及物动词。用作及物动词时,接名词或代词作宾语; 用作不及物动词时,常与back, with等词连用。

• echo使用方法
• echo详细辨析

英汉例句

用作名词 (n.)

• She shouted “hello” and listened for the echo.
  她大喊“喂”,然后倾听回音。

用作动词 (v.)

用作不及物动词: S+～(+A)

• The sound of the cannon echoed around.
  大炮的轰鸣声在四处回响。

用作及物动词: S+～+ n./pron.

• The cavern walls echoed his cries.
  大山洞的四壁回响着他的喊声。

• echo更多例句

词组短语

用作名词 (n.)

动词+～

• arouse an echo 激起反响
• hear an echo 听到回声
• produce an echo 产生回声

形容词+～

• strong echos 明显仿效

名词+～

• radar echo 雷达回波

～+名词

• echo box 回波箱
• echo sounder 回声测深器

介词+～

• cheer sb to the echo 给某人大声喝彩

～+介词

• an echo among the hills 群山间的回声

用作动词 (v.)

～+副词

• echo anxiously 焦急地附和
• echo cheerily 活泼地重复

• echo更多词组

英英字典

剑桥英英字典

• (SOUND) a sound that is heard after it has been reflected off a surface such as a wall or a cliff
• (SIMILAR DETAIL) a detail that is similar to and makes you remember something else
• (SOUND) If a sound echoes or a place echoes with a sound, you hear the sound again because you are in a large, empty space.
• (SIMILAR DETAILS) to repeat details that are similar to, and make you think of, something else

柯林斯英英字典

• An echo is a sound caused by a noise being reflected off a surface such as a wall.
• If a sound echoes, it is reflected off a surface and can be heard again after the original sound has stopped.
• In a place that echoes, a sound is reflected off a surface, and is repeated after the original sound has stopped.
• If you echo someone's words, you repeat them or express agreement with their attitude or opinion.
• A detail or feature that reminds you of something else can be referred to as an echo.
• If one thing echoes another, the first is a copy of a particular detail or feature of the other.
• If something echoes, it continues to be discussed and remains important or influential in a particular situation or among a particular group of people.

• echo剑桥字典
• echo柯林斯字典

专业释义

电子、通信与自动控制技术

• 回波
• 反射信号
• (无线电联络用的)字母e的代称
• amp;回音
• 回波amp;
• 回音
• 回声

医药科学

• 回声

  The said sound image and pathological section display that the low echo structure belongs to scar tissue.
  瘢痕显示在声像图上呈低回声结构,在病理切片符合为瘢痕组织。

• 回波

  First, the paper discusses the technology of pulse echo BMUS, then give some design of ours.
  论文先结合设计对脉冲回波法B超仪各项技术做了介绍，最后给出了FPGA设计的核心内容。

  计算机科学技术

• 回波

  Following the extraction envelope of echo,use wavelet transform to get it’ s feature points.
  在提取回波的包络后,利用小波变换的方法提取包络的特征点。

• 回送
• 应答 用于计算机图形
• 回应
• 回音

语言学

• 回声

  Finally, special cases in English and Chinese wh-questions are provided here, such as echo questions and multiple wh-questions.
  最后列举了一些英汉疑问句的特殊情况。 如：回声问句和多个疑问词问句等。

  艺术学

• 回音

机械工程

• 回波
• 回声

测绘科学技术

• 回声

生物学

• 回声
• 回波;重复
• 模仿