| 单词 | 声波 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔-waving〕Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second.声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。柯林斯高阶〔HIT〕The device works by bouncing sound waves off objects and measuring the time it takes for the sound to return. 这个装置的工作原理是让声波碰到物体反弹，然后测定声音返回所需的时间。朗文写作活用〔SOUND〕The ear picks up sound waves and converts them into signals that it sends to the brain. 耳朵接收声波，并把声波转化成信号传送到大脑。朗文写作活用〔acoustic〕The microphone converts acoustic waves to electrical signals for transmission.麦克风把声波转换成电信号进行传送。剑桥高阶〔baffle〕A partition that prevents interference between sound waves in a loudspeaker.隔音板：在扩音器中防止声波相互干扰的隔离装置美国传统〔bone conduction〕The process by which sound waves are transmitted to the inner ear by the cranial bones without traveling through the air in the ear canal.骨传导：声波经头盖骨传到内耳而不经过耳道内的空气的过程美国传统〔bounce〕Short sound waves bounce off even small objects.短声波即使遇到小物体也会产生回音。牛津搭配〔bounce〕Short sound waves bounce off even small objects.短声波即使遇到小物体都会产生回音。牛津高阶〔compression wave〕A wave propagated by means of the compression of a fluid, as a sound wave in air is.压缩波：借助于流体的弹性压缩而传播的波，例如声波在空气中的传播美国传统〔diagnostic〕Ultrasound is now widely used as a diagnostic tool.超声波现在是一种广泛使用的诊断工具。韦氏高阶〔diagram〕The sound waves of the voice could be diagramed as in B.这个声音的声波如图B所示。柯林斯高阶〔diagram〕The sound waves of the voice could be diagrammed as in B.这种话音的声波如图B所示。外研社新世纪〔diffuser〕A device, such as a cone or baffle, placed in front of a loudspeaker diaphragm to diffuse the sound waves.扬声器纸盒：一种装置，例如锥形体或反射板，放在扬声器膜前面，用来散射声波美国传统〔digital recording〕A method of recording in which portions of sound waves are converted into numbers and stored for later reproduction.数字录音法：将声波的各部分转换成数字并保存下来以便以后复制的记录方法美国传统〔echoencephalogram〕A visual record produced by an echoencephalograph.超声波心动描记图：脑回波描记器产生的视觉图象美国传统〔echo〕Repetition of a sound by reflection of sound waves from a surface.回声：因表面反射声波而引起的声音重复美国传统〔echo〕To repeat (a sound) by the reflection of sound waves from a surface.发出回声：表面反射声波而重复的声音美国传统〔frequency〕You can't hear waves of such a high frequency.你无法听到如此高频的声波。外研社新世纪〔frequency〕You can't hear waves of such a high frequency.如此高频率的声波是无法听到的。柯林斯高阶〔guided wave〕An electromagnetic or acoustic wave transmitted by a process that limits its physical dispersion along the length of its transmission.波导波：一种电磁波或声波，由随其在传导过程中的波长而限制其物理弥散的方式传导美国传统〔horn〕A device for projecting sound waves, as in a loudspeaker.角状扩音器：一种用来产生声波的装置，如扬声器美国传统〔impinge〕Sound waves impinge on the eardrum.声波撞击着耳膜美国传统〔invisible〕Sound waves are invisible.声波是看不见的。韦氏高阶〔measure〕He measured the speed at which ultrasonic waves travel along the bone.他测出了超声波穿过骨头的速度。柯林斯高阶〔microphone〕An instrument that converts sound waves into an electric current, usually fed into an amplifier, a recorder, or a broadcast transmitter.扩音器，麦克风，话筒：将声波转变成电流的工具，通常接至扩音器，录音机或广播发射机上美国传统〔midrange〕The middle part of an audio frequency.中声频，中频：声波频率的中间部分美国传统〔obligatory〕Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory.大多数处于妊娠期的妇女将被建议接受超声波检查, 不过这不是强制性的。外研社新世纪〔obligatory〕Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory.大多数处于妊娠期的妇女将被建议接受超声波检查，不过这不是强制性的。柯林斯高阶〔phacoemulsification〕Removal of a cataract by emulsifying the lens ultrasonically.晶状体乳化：用超声波乳化晶状体来切除白内障美国传统〔phonoreception〕Perception of or response to sound waves.感声，音感受：对声波的感觉或回应美国传统〔pickup〕The reception of light or sound waves for conversion to electrical impulses.光波的接收：为转变为电子脉冲的光波或声波的接收美国传统〔pick〕We picked up two submarines on sonar.我们用声波定位仪观察到两条潜水艇美国传统〔pitch〕Acoustics The distinctive quality of a sound, dependent primarily on the frequency of the sound waves produced by its source.【声学】 音质：声音的特性，主要依据从音源发出的声波的频率美国传统〔pitch〕Ultrasonic waves are at a higher pitch than the human ear can hear.超声波的音高超出了人耳可以听见的范围。朗文当代〔propagate〕Physics To cause (a wave, for example) to move in some direction or through a medium; transmit.【物理学】 传播：使（比如声波）向某个方向移动或通过媒介活动；传送美国传统〔rarefaction〕A decrease in density and pressure in a medium, such as air, caused by the passage of a sound wave.稀薄化：介质中密度和压力的下降，例如在空气中，由于声波的穿越而发生美国传统〔refraction〕The turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different density.折射： 当光或声波等物质从一个媒体进入别一个密度不同的媒体中时产生的转向或折回美国传统〔resonance〕The ear has a set of filaments to vibrate in resonance with incoming sound-waves.耳朵里有一组细丝能和进入的声波产生共振。柯林斯高阶〔resonator〕A hollow chamber or cavity with dimensions chosen to permit internal resonant oscillation of electromagnetic or acoustical waves of specific frequencies.共振腔：具有容积的空室或空腔，可允许在某一频率下的电磁波或声波产生内部共振振荡美国传统〔reverberate〕To be repeatedly reflected, as sound waves, heat, or light.被反射：被重复反射，如声波、热或光美国传统〔scan〕She had a scan.她做了个超声波检查。外研社新世纪〔scan〕They can scan the foetus to check for defects.他们可以对胎儿进行超声波扫描, 检查是否有缺陷。外研社新世纪〔scattering layer〕A concentrated layer of organisms in the ocean that reflects and scatters sound waves, as from sonar.散射层：海洋中反射及分散声波的，如来自声纳的生物体密集层美国传统〔second〕Ultrasonic waves travel at around 300 metres per second .超声波的传播速度约为每秒 300 米。朗文当代〔send out〕Like bats, they send out sound waves and make sense of their environment from the echoes they receive back.像蝙蝠一样，它们发出声波，然后根据收到的回音来了解周围的环境。柯林斯高阶〔signal〕We'll need better equipment to generate a 50 Hz signal.为产生50赫兹的声波，我们需要更好的设备。韦氏高阶〔sonar〕A system using transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distance to the floor of a body of water.声纳：一种系统，通过利用传送或反射的水下声波，来探测或定位水下物体或者测量某一水域的深度美国传统〔sonar〕An apparatus, as one in a submarine, using sonar.声波定位器：一种装置，使用声纳进行探测，如潜水艇中的装备美国传统〔sonic〕He activated the door with the miniature sonic transmitter.他用微型声波发射器开启了门。柯林斯高阶〔sonogram〕The sonogram showed that the fetus was developing normally.超声波扫描图显示胎儿发育正常。韦氏高阶〔sonography〕Ultrasonography.超声波检查术美国传统〔sound ranging〕A method for locating a source of sound, such as an enemy gun, by measuring the travel time of the sound wave to microphones at known positions.声波测距法：一种确定某一声源位置的方法，如测敌人的枪声位置，其方法是通过测量声波到达某些预知位置的麦克风时所用的时间美国传统〔sound wave〕A longitudinal pressure wave of audible or inaudible sound.声波：包括听得见或听不见的声音的纵向压力波美国传统〔sound wave〕Speech is made up of sound waves that vary in frequency and intensity.语音是由不同频率和强度的声波组成的。柯林斯高阶〔subsonic〕Of less than audible frequency.亚声的：小于可听见之声波频率的美国传统〔supersonic〕Of or relating to sound waves beyond human audibility.超声波的：人无法听见的声波的或与超声波有关的美国传统〔ultrasonic〕Of, relating to, or involving ultrasound.超声波的美国传统〔ultrasonography〕The diagnosis was based on ultrasonography.这一诊断是基于超声波检查法的结果。剑桥高阶〔ultrasonograph〕An apparatus for producing images obtained by ultrasonography.超声图记录仪：产生用超声波扫描获得图像的仪器美国传统〔ultrasound〕An ultrasound scan revealed that the baby was a boy.超声波检查显示胎儿是个男孩。朗文当代〔ultrasound〕I had an ultrasound scan to see how the pregnancy was progressing.我进行了超声波检查，看看妊娠情况如何。柯林斯高阶〔ultrasound〕She had an ultrasound exam/examination this morning.她今天上午做了超声波检查。韦氏高阶〔ultrasound〕She had an ultrasound this morning.她今天上午做了超声波检查。韦氏高阶〔ultrasound〕She showed me an ultrasound of her unborn baby.她给我看了她腹中胎儿的超声波图像。韦氏高阶〔ultrasound〕They used ultrasound to examine his heart.他们用超声波检查他的心脏。韦氏高阶〔ultrasound〕They'll use ultrasound to monitor her ovaries.他们将利用超声波监测她的卵巢。剑桥高阶〔ultrasound〕Ultrasonic sound.超声波美国传统〔ultrasound〕Ultrasound showed she was expecting twins.超声波扫描显示她怀了双胞胎。牛津高阶〔ultrasound〕Ultrasound was used to show the size of the tumour.超声波用于显示肿瘤的大小。a.麦克米伦高阶〔wave〕Sound waves bounce off objects in their path.声波在传播途中遇到障碍物会反射回来。牛津搭配A pregnant woman often has an ultrasound scan to check that her baby is developing normally.孕妇常常去做超声波扫描，以检查她的胎儿发育得是否正常。剑桥国际Bats use ultrasonic waves to locate flying insects at night, and engineers use them to detect flaws in metals.蝙蝠在晚上利用超声波确定飞行昆虫的位置, 而工程师们利用超声波探测金属里的瑕疵。剑桥国际In air sound waves travel at approximately 330 metres per second.声波在空气中的传播速度约为每秒钟330米。剑桥国际Sonic waves travel at approximately 332 metres per second in air at sea level.声波在海平面上每秒钟在空气中的传播速度约332米。剑桥国际Sound waves cannot travel through a vacuum.声波在真空当中无法传播。剑桥国际The microphone converts acoustic waves to electrical signals for transmission.麦克风将声波转换成电信号来进行传送。剑桥国际The sonogram showed that she was carrying twins.超声波扫描图显示，她怀了双胞胎。剑桥国际The ultrasound scan helps to determine the age of the foetus as well check for hereditary abnormalities.超声波扫描既有助于检查遗传性变态又有助于确定胚胎的年龄。剑桥国际 |
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