Though they are dead, but in the fleeting never grow old, although they have been dead, but a fleeting eternity.
自己翻译的,希望你喜欢。
They'd never turn to old when time goes by, although they are dead;
They'd remain everlasting although they'd passed away.
Though they're dead,they will never get old during fleeting moments ;Though they're dead,they will be eternal during fleeting moments.