Verify error
[计] 检验误差
🧩 词语组成解析
🗣️ 情景例句
Yes, I've been there a number of times.
我去过许多次了。
Keep your fingers crossed.
为成功祈祷吧。
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。