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- Sound waves are measured by their amplitude. 声波是根据其振幅来测量的。
- 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
- The whale looks for food using sound waves. 鲸鱼通过声波寻找食物。
- Short sound waves bounce off even small objects. 短声波即使遇到小物体都会产生回音。
- Sound waves impinge on the eardrum. 声波撞击着耳膜。
- They were studying the reflection of sound waves. 他们在研究声波的反射。
- The atmosphere is a medium for sound waves. 大气是声波的传播介质。
- Sound waves are measured by their amplitude . 声波是根据其振幅来测量的.
- Sound waves cannot travel through a vacuum. 声波在真空中无法传播。
- Perception of or response to sound waves. 感声，音感受对声波的感觉或回应
- Sound waves will not travel through a vacuum. 声波在真空里不能传播。
- The vibration produces sound waves in the air . 这种颤动在空气中产生了声波。
- Sound waves will reflect back from a solid surface. 音波将会从坚固的表面反射回去。
- 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
- Where there is a sound,there is sound wave. 哪里有声音，哪里就有声波。
- Where there is a sound, there is sound wave. 哪里有声音，哪里就有声波。
- A tuning fork transmits sound waves through the air. 音叉通过空气传播声音。
- 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
- The ears of animals are also shaped to collect sound waves. 动物的耳朵也长成能收集声波的形状。
- The reflected sound waves are then converted into a picture. 反射回来的声波然后转化成照片。
