| 词汇 | annuity |
| 词根词缀 | 词源： early 15c., "a yearly allowance," from O.Fr. annuité, from M.L. annuitatem (nom. annuitas), from L. annus "year" (see annual). Meaning "an investment that entitles one to equal annual payments" is from 1690s. 词根记忆： 年金;养老金(annu+ity每年的东西→年金)[ann,enn=year,表示"年,一年"] 词根词缀： annuity annuity年金,养老金(annu+ity每年的东西=年金) ann, enn=year,表示”年,一年”annual 一年一度的(ann+ual) anniversary周年纪念(anni+vers转+ary=一年转到一次=周年纪念日) annuity年金,养老金(annu+ity每年的东西=年金) perennial终年的,长期的(per始终+ennial年的=终年的) |
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