historic
adj
famous or important in history 历史上著名的或重要的
the historic spot on which the first pilgrims landed in America 初期的英国移民登上美洲大陆的具有历史意义的地点
This is a(n) historic occasion, ie will be regarded as a significant event in history. 这是具有重大历史意义的时刻.
historic times, ie those of which the history is known and recorded 有历史记载的时期.
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.