Gyromele
旋轉胃導管
??? 情景例句
Our tow truck's being repaired.
我們的拖車正在修理呢。
It can't be true.
這不可能是真的。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我們只要看一看蝙蝠回聲定位這一極不尋常的發現，就可以探究一下聲音在什么情況下有絕對的實用價值。