There are so many great newscasters it's difficult to pick one out.有这么多优秀的新闻播音员，很难从中挑出一个。For more than half a century, the reassuring tones of BBC newscasters have informed British television viewers about world events.半个多世纪以来，英国广播公司的播音员用沉稳的语调向英国电视观众报道世界大事。