Periuranium
近天王点
🗣️ 情景例句
That ain't the way I need it.
据我所知，不时那么会事。
Honesty may be dear bought, but can never be an ill penny-worth.
出高价买来的诚实，不会永远没有价值。
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。