adj.无法追忆的,远古的;
例句:
Such ceremonies have been handed down to us from time immemorial.
这种仪式不知从何时起一直传下来.
The story has come down from time immemorial.
这个故事从远古流传至今.
People have been kicking objects around for fun since time immemorial.
自古以来人们为了取乐就将身边的东西踢来踢去.