two week(two-weektwoweeks的区别)

two -week与 two week的区别?答案是，前者的意思是两周的时段或两周的周期；而后者的意思是两周。例如， Last semester he took part in two -week Russian training class.这句的意思是,上个学期他参加了两周时间的俄语培训班。

又例如, They must finish that work in two weeks.这句的意思是，他们必须在两周内完成那项工作。