installmentKK [ˌɪˈnstɔlmənt] ｜ /ˌɪˈnstɔlmənt/
GEPT 中高級
C2noun
a payment of part of a debt, which is usually paid at regular intervals
After purchasing the new car, John paid off his debt in monthly installments over the course of three years.
分期付款
C2noun
one part of a broadcast or published serial
In the latest installment of the popular TV series, the main character faces a life-changing decision.
（連載）一集；一期
C2noun
the act of installing something, such as equipment or software
John hired a professional to handle the installment of the new security system in his house.