Arge
n. 阿尔该（人名）
🗣️ 情景例句
Yes.
有。
What is on the schedule this morning?
今天上午有什么安排？
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。