/ˈlændmɑ:k ||; ˈlændˌmɑrk/noun[C] 1 an object (often a building) that can be seen easily from a distance and will help you to recognize where you are （从远处可辨识的）地标（通常为建筑物）: Big Ben is one of the landmarks on London's skyline. 大本钟是伦敦空中轮廓线的一个标志物。
2 a landmark (in sth) an important stage or change in the development of sth 里程碑