Session lows
[经] 盘中低点
🧩 词语组成解析
n. 低频
🗣️ 情景例句
I just saw a big one!
我刚看见一条大的。
Bed is a midicine.
睡好觉，如服药。
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。