milestone
英 ['maɪlstəʊn]
美['maɪlston]
	    - n. 里程碑,划时代的事件
 - n. (Milestone)人名;(英)迈尔斯通
 
考试真题
- By 2014, that milestone (里程碑) had shifted to age 29.
 
2019年6月四级真题(第一套)阅读 Section B
- It is a milestone in human progress.
 
出自-2013年6月阅读原文
- It was a huge milestone in the development of smartphones, which are now owned by a majority of American adults and are increasingly common across the globe.
 
2018年12月六级真题(第一套)阅读 Section C
- Some experts even consider lying a developmental milestone, like crawling and walking, because it requires sophisticated planning, attention and the ability to see a situation from someone else5 s perspective to manipulate them.
 
2019年12月六级真题(第一套)阅读 Section C