intermittent
adjective uk/ˌɪn.təˈmɪt.ənt/ us/ˌɪn.t̬ɚˈmɪt.ənt/
间歇的，断断续续的
not happening regularly or continuously; stopping and starting repeatedly or with periods in between
intermittent rain 阵雨
an intermittent noise 时断时续的噪音
Although she made intermittent movie appearances, she was essentially a stage actress. 她虽然断断续续地在电影中露面，但基本上还是一个舞台演员。