a large group of soldiers that forms part of an army, especially the one that existed in ancient Rome （尤指古罗马的）军团 the French Foreign Legion 法国外籍军团 Caesar’s legions 凯撒军团
- (formal)
a large number of people of one particular type 大量，大批（某类型的人） legions of photographers 众多的摄影师
Word OriginMiddle English: via Old French from Latin legio(n-), from legere ‘choose, levy’. The adjective dates from the late 17th cent., in early use often in the phrase my, their, etc. name is legion, i.e. ‘we, they, etc. are many’ (Mark 5:9) in the Bible.