音标：[e'kɔ^rәfi] ；

n. [医]( 用超声波进行检查和诊断的) 回波描记术

n using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs

词型变化：名词复数形式 : echographies

【近义词】

ultrasonography超声波检查法...
ultrasound超声(波)
sonography[医]超声波检查法...

VOA标准英语2010年-Graphene Discovery Wins Nobel Prize

It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co

发表于:2019-01-14 / 阅读(76) / 评论(0)

VOA标准英语2010年(十)月

THIS IS AMERICA - Glen Echo Park

THIS IS AMERICA - Glen Echo Park By Jerilyn Watson Broadcast: Monday, June 14, 2004 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Faith Lapi

发表于:2019-01-30 / 阅读(141) / 评论(0)

This is America

人生的回音The Echo

A son and his father were walking on the mountains. Suddenly, the son falls, hurts himself and screams, AAAhhhh!!!To his surprise, he hears the voice repeating, somewhere in the mountain, AAAhhhh!!! Curious, he yells, Who are you? He receives the ans

发表于:2019-02-03 / 阅读(64) / 评论(0)

英语美文

散文欣赏-回声 Echo

Long long ago, there was a nymph whose name was Echo. She liked talk very much, and she always repeated what she had just said.One day, she offended[2] her master, the great Hera by speaking rudely to her, she decided that echo should never use her v

发表于:2019-02-19 / 阅读(63) / 评论(0)

英语美文

音乐咖啡厅:Christina Grimmie - Echo

Boy I don't understand your drama Thought we were having fun should I not have called you Should I be sorry for being me I'm just trying piece together your mind You and me were cool when I saw you last night Now we're in this state of emergency Oh y

发表于:2019-02-25 / 阅读(115) / 评论(0)

音乐咖啡厅

听歌学英语：ECHO (LET GO)-Breathe Carolina

Hideaway hide away, hiding from your call 我隐藏，我躲避，回避你的来电 Founda place, found a place, we could have it all 我寻觅，我找寻，探寻一片圣地 ButI wish I never followed innocent, innocent 但我希望自己从不循规

发表于:2019-03-11 / 阅读(269) / 评论(0)

听歌学英语

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

Agau

air-fare

all round computer centre

amalgam burnisher

angle of beam

aparece

autocatalytic process