ann-enn

ann来自拉丁名词annus,意思为year,enn是ann在添加前缀时产生的变音异体，ann在构词中常跟着-i-，-u-

ann,enn=year

• superannuate
  • super-=over;ann=year or age ;-u-;ate=to cause tobe
  • to cause sb to be over-aged 因超过规定年龄而令其退休
• semiannual
  • semi=half; annu=year;-al=of...
  • of a half year 半年的，半年一度的
• biannual
  • bi=two ,twice;anna=year; al=of
  • occuring twice a year 每年两度的
• biennial
  • bi=two,二; enni=year; -al=of...
  • lasting two years ,once every two year 持续两年的；两年一度的
  • biennium[bi-;enni;um]两年时间
• perennial
  • per=through;enn=year ;-i-;al=of...
  • of the time through a year,;常年不断地，长久的
  • perenniality[perennal;-ity]常年性，长久性
• annuity
  • ann=year；-u-;-ity=things connected with
  • things connected with a year ,年金；年收入，年金保险投资
  • annuitant[annuit(y);-ant]领受年金者
• annals
  • ann=year;al=thing;-s表复数
  • many things happened in a year;编年史，历史记载
  • annalist[annl;ist]编年史作者
• annual
  • ann=year;;-u-;-al=of....
  • of one year,yearly ;一年的；每年的
• anniversary
  • ann=year;-i-;vers=to turn ;-ary=things
  • the day connected with the turning of a year, 周年纪念日