Tuvan
n. (Tuvan)人名；(蒙)图旺
🗣️ 情景例句
Hi.
嗨！
A man can die but once.
人生只有一次死。
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。