Renoquid
磺胺乙胞嘧啶
🗣️ 情景例句
Is it finished yet?
行了吗？
What's your favorite kind of animal?
你最喜欢的动物是什么？
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。