An announcer is someone who introduces programmes on radio or television or who reads the text of a radio or television advertisement.
例句
The radio announcer said it was nine o'clock...電臺播音員報時9點整。In the commercial an announcer interviews a Texan.在這則廣告中播音員采訪了一個得克薩斯人。
N-COUNT
（火車站、機場等的）廣播員，播報員
The announcer at a railway station or airport is the person who makes the announcements.
例句
The announcer apologised for the delay.播報員就晚點表示歉意。
英漢詞典釋義
n.
播音員,(尤指)廣播員
He is recognized to be a qualified announcer.他被認為是合格的播音員。The announcer gave out that the 3:30 train to Manchester would start from Platform 4.播音員通知:三點三十分開往曼徹斯特的火車將從4號站臺發(fā)車。