Changeably
adv. 易变地, 不安定地, 可变地
🗣️ 情景例句
It really doesn't matter at all.
真的没关系。
You're not worth my time.
我才懒得理你。
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。