landmark
/ˈlændmɑːk/noun
1
- an object or feature of a landscape or town that is easily seen and recognized from a distance, especially one that enables someone to establish their location地标, 标志性建筑：
the spire was once a landmark for ships sailing up the river.
塔尖曾是河上航船的陆标。
1.1
- N. Amer. a building or monument of historical importance〈北美〉有历史意义的建筑; 有历史意义的纪念碑。
1.2
- historical the boundary of an area of land, or an object marking this〈史〉边界; 界碑。
2
- an event, discovery, or change marking an important stage or turning point in something里程碑（指有划时代意义的重大事件, 或转折点）; 有重大意义的事情：
the birth of a child is an important landmark in the lives of all concerned
一个孩子的出生是所有与此有关者的人生大事
as modifier a landmark decision.有划时代意义的决定。