Ichthoform
甲醛鱼石脂, 鱼石脂仿
🗣️ 情景例句
Hi Leo, do you know Jack Wang?
嗨，利奥，你知道杰克王吗？
No matter what she says, don't answer.
不论她说什么，你也不要回答。
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。