Afte
abbr. American Federation of Technical Engineers 美国技术工程师联盟
🗣️ 情景例句
They say it's going to rain tomorrow.
据说明天有雨。
Help the dog over the stile.
助人度过难关。
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。