party political broadcast
noun [ C ] UK uk/ˌpɑː.ti pəˌlɪt.ɪ.kəl ˈbrɔːd.kɑːst/ us/ˌpɑːr.t̬i pəˌlɪt̬.ə.kəl ˈbrɑːd.kæst/
政党政治电视（或广播）节目
a short television or radio programme in which a politician talks about his or her party's ideas and plans in order to try to win more support