Carnian
[地質(zhì)]喀尼階
??? 情景例句
He's upset over the fact that he wasn't promoted this year.
他對(duì)今年沒(méi)有升遷感到惱怒。
What's so weird about that?
那有什么好奇怪的？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固體障礙物越遠(yuǎn)。回聲返回所用時(shí)間就越長(zhǎng)。