我做了超声波扫描，检查妊娠情况。
I had an ultrasound scan to see how the pregnancy was progressing.
你听不到这么高频率的声波。
短声波即使遇到小物体都会产生回音。
它对震动和海水中传播的声波都非常敏感。
It is very sensitive to vibrations, to sound energy traveling through the seawater.
原来，这些囊状物是用于将声波传播到鼻疣中的。
These bursa, it turns out, are what's responsible for transferring sound to the melon.
其中一位设计师说：“现在手套上的超声波传感器相当大了。”
One of the designers said, "Now the ultrasonic sensor on the glove is quite large."
蝙蝠会发出我们听不到的非常高的超声波脉冲。
The bat emits these ultrasonic pulses, very high pitch sound waves that we cannot hear.
这是说明传播声波的一种花俏说法。
此处所提及的噪声就是超声波。
哪里有声音，哪里就必有声波。
这种过剩密度的波就是声波。
“我们确实看到了声波，”惠特尔说。
还有谁会用一个超声波音响蛋糕来庆祝?
她也做了超声波检查。
接着就到了超声波扫描的时候了。
你的存在状态是和这声波相同的设计。
Your state of Being is following the same design of this Wave.
声波传播的物理机理是什么？
What is the physical mechanism of the propagation of sound waves?
你什么时候做的超声波检查？
如果你还没有做过超声波检查，你应该进行一次了。
If you haven't yet had an ultrasound you're about due for one.
声波传递需要介质，空气，水，岩石都行。
They need something to move through, like air, water, or rock.
声波不能在真空中传播。
大气是声波的传播介质。
声波在真空里不能传播。
还有四个外部传感器用于光、声、触觉和超声波方面。
There are also four external sensors for light, sound, touch, and ultrasonics.
还有四个外部传感器用于光、声、触觉和超声波方面。
There are also four external sensors for light, sound, touch, and ultrasonics.
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