“解说员”用英语怎么说？

单单英国广播公司就派出技术人员、导演、解说员等一行300人。The BBC alone is sending 300 technicians, directors and commentators.突然，解说员开始用高昂煽情的语调解说起来。Suddenly, the narrator speaks in his most rhetorically elevated mode.体育解说员翻来覆去说着同样的词语，真叫人腻烦。Sports c...