Ponfick's shadows
[医] 蓬菲克氏阴影, 红细胞影
🧩 词语组成解析
n. 阴影, 影子（shadow复数）
🗣️ 情景例句
I like this house.
我喜欢这栋房子。
He's good at lifting weights.
他善于举重。
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。