Question

4. ann, enn [L]=

Accepted Answer

year 年
ann 来自拉丁名词annus，意思为year（年）；enn 是ann 在添加前缀时产生的音变异体。ann
在构词中常带有连接字母-u-或-i-，也可以把annu 和anni 作为词根异体看待。

annual [annu=year 年；-al a.=of……的→] I a. of one year;yearly 一年的；每年的：annual report
年度报告→Ⅱn. book or pamphlet issued once a year 年鉴；年刊：the annuals of the Historical
Society 历史协会的年鉴

anniversary [anni=year 年；vers=to turn 转；-ary n.=thing 物→“the date connected with the
turning of a year 与时间周转一年相关的日子”→] n. the date of a year on which something
happened 周年纪念日：the 400th anniversary of Shakespeare's birth 莎士比亚诞生四百周年纪
念日

annals [ann=year 年；-al n.=thing 物；-s 表复数→“many things of a year 一年中的事情”→] n.
yearly records;historical records 编年史；历史记载：the war annals of the Red Army 红军战史

▽annalist [annal(s);-ist n.] n.编年史作者

perennial [per-=through 通；enni=year 年；-al a.→“through a year 通年的”→] a.①lasting through
the year 常年不断的：perennial snow and ice 终年不化的冰雪② overlasting 长久的：perennial
efforts 持久努力

▽perenniality [perennial;-ity n.] n.常年性；长久性

annuity [annu=year 年；-ity n.=thing connected with 表相关事物→“money connected with one
year 按一年计算的钱”→] n. yearly allowance or income 年金；年收入：life annuity 终身年金

▽annuitant [annuit(y);-ant n.] n.领受年金者

superannuate [super-=over 超；annu=year 年→age 年龄；-ate v.=to cause to be 使成为→“to
cause to be over-aged 使成为超龄者”→] v. make to retire when one is over a certain age 因超
过年龄而令退休：He was superannuated as soon as he reached the age of sixty.他刚满六十岁，
就被指令退休了。

annu 和enni 还能与表示数目的前缀构成表示以“年”为单位的时间的单词。以下是常见的
几个。

semiannual [semi-=half 半；annu=year 年；-al a.=of……的→] a. of a half year 半年一度的：
semiannual meeting 半年一度的会议
biannual [bi-=two, twice 二，两次；annu=year 年；-al a.=of……的→a. of twice a year 每年两
度的：biannual examination 每年两次的考试
biennial [bi-=two 二；enni=year 年；-al a.=of……的→“of two years 二年的”→] a. lasting two
years 持续两年的：a biennial research course 两年的研究课程
biennium [bi-=two 二；enni=year 年；-um n.=thing 物→“the time of two years 两年的时间”
→] n. period of two years 两年

Year 年； Al N.=Thing N Connected Annu=Year A.=Of……的→ Anniversary