Cornette
[医]小助听筒; 短号
🗣️ 情景例句
About fifteen minutes.
大约十五分钟吧。
In the evening one may praise the day.
入夜方能赞美白昼。
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。