annuity/əˈnju:ətɪ; ?@ -ˈnu:-; ə`nuətɪ/ n1 fixed sum of money paid to sb yearly, usu for the remaining part of his lifetime 年金; 养老金 receiving a modest annuity 获得些微的年金.2 form of insurance that provides such a regular annual income 年金保险.
牛津英汉双解词典