Prepub
a. 出版之前的
🗣️ 情景例句
Ah, you are an early bird then!
你原来是早起的人。
I've definitely decided to go to California.
我毫无疑问决定了去加利福尼亚。
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。