超音波的

The Mega-Sonic Scatter-Cat Repeller looks like a megaphone because it actually is one.

这个音波驱猫器看上去像个扩音器，因为它的确是的。

It is also an excellent method to study the non-functioning kidney which cannot be seen in the intravenous pyelogram.

又对功能不好，以盂摄影术无法照出的臓亦可用音波图作进一步的探讨，很适合小上的使用。