| 单词 | sound wave |
| 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〔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〔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〔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〔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〔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〔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〔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〔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〔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〔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〔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〔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〔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〕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〔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〔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Sound waves cannot travel through a vacuum.声波在真空当中无法传播。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 |
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