Aggeus
n. 哈该（希伯来的先知）
✅ 同义词
🗣️ 情景例句
I'm still learning.
我还在学习当中。
His apology didn't seem sincere.
他的道歉看起来不是真诚的。
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。