Xǔduō gǔlǎo de wénhuà bèi lìshǐ de hóngliú suǒ yānmò.
Many ancient cultures have been buried by the tide of history.
Tips
usage
湮没 is primarily used in literary or formal contexts to describe things forgotten by time - talents, cultures, names, or histories. The physics term for 'annihilation' also uses this word.