6.The Russian Revolution represents a landmark in world history.
俄国革命世界历史上的一个里程碑。
7.the spire was once a landmark for ships sailing up the river.
塔尖上航船的标。
8.the birth of a child is an important landmark in the lives of all concerned.
小孩的出世所有相关人生活中一件大事。
9.a landmark decision on the legal status of a fetus
对于胎儿的法律地位的标志性判决
10.Mean difference data were applied to reported standard oral esophagoscopy landmark measurements to conert to standard landmark measurements from the nares.