🧩 词语组成解析
n. 赫尔曼（男子名）
🗣️ 情景例句
It's funny. History repeats itself.
真有意思。历史在重演。
I wrote to him last Friday.
我上个星期五写信给他。
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。