Arks
(ark 的复数) n. 方舟, 柜
🗣️ 情景例句
She's always changing jobs.
她老是换工作。
Why are you disappointed?
你为什么灰心？
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。