例句：

　　It makes our life fragile, ephemeral, and as a result of that, more precious.

　　它讓我們的生命脆弱，短暫，因此而更珍貴。

　　But all kinds of fame are ephemeral.

　　但是，各種名望都是短暫的。

　　The Pleistocene Epoch was an ice age.

　　更新世是一段冰河時(shí)代。

　　It was meant to sound like an epoch-making declaration.

　　有意讓它聽起來像是一個(gè)劃時(shí)代的宣言。