Phonendoscope
n. 扩音听诊器\\n[医] 扩音听诊器
🗣️ 情景例句
She really deserved the honor.
她得到这份荣誉是名副其实的。
I often finish school in the afternoon.
我常常在下午放学。
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.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。