Slickers
(slicker 的复数) n. 防水衣, 雨衣, 骗子\\n[机] 抹镘
🗣️ 情景例句
It's nice seeing you.
非常高兴见到你。
Do you have any hobbies?
你有什么爱好吗？
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。