🗣️ 情景例句
OK.
好。
Let's move on to what makes our product sell so well.
让我来说明是什么原因使我们的产品销售得那么好。
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。