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

这个超音波驱猫器看上去像个扩音器，因为它。

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，以静脉肾盂无法照出肾臓亦可用超音波图作进一步探讨，很适合小儿科学上使用。