an amount of money paid to sb every year, usually for the rest of their life 年金；养老金
a type of investment that you can buy from an insurance company, usually with one large amount of money, that pays an amount of money each year 年金保险（向保险公司购买的一种大额保险投资，每年可从保险公司收取一定数额的款项）◆Should I use the whole sum to buy an annuity? 应否用整笔款项购买年金保险？◆a life annuity 人寿年金保险
a payment made from this type of investment 年金保险收入◆an annuity of $2 000 a year 一年 2000 元的年金保险收入