annuity
noun [ C ] uk/əˈnjuː.ə.ti/ us/əˈnjuː.ə.t̬i/
（通常指一直付到某人死亡的）年金;年金保险;年金保险投资
a fixed amount of money paid to someone every year, usually until their death, or the insurance agreement or investment that provides the money that is paid
an annuity policy 年金保险单
annuity income 年金收入
She receives a small annuity. 她每年得到一笔微薄的年金。