名词

1. （广播电台或电视台的）广播员，播音员
    An announcer is someone who introduces programmes on radio or television or who reads the text of a radio or television advertisement.

2. （火车站、机场等的）广播员，播报员
    The announcer at a railway station or airport is the person who makes the announcements.

1. reads news, commercials on radio or television

2. someone who proclaims a message publicly