milepost
noun /ˈmaɪlpəʊst/
/ˈmaɪlpəʊst/
(especially North American English)- a post by the side of the road that shows how far it is to the next town, and to other places
Topics Transport by car or lorryc2里程标 - (also milestone British and North American English)a very important stage or event in the development of something
重要事件;重要阶段;转折点;里程碑