Jiangxi
江西(位于中国长江中、下游南岸)
🗣️ 情景例句
We talked about that earlier.
我们先前谈过这个问题。
To drop
掉下
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。