Cantharoidea
花萤总科
🗣️ 情景例句
It's not the same, Richard.
那是不一样的， Richard。
Do you have your driver's license?
你有驾驶执照吗？
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。