The chairman made a preliminary statement before beginning the main business of the meeting.在会议主要议程开始之前主席致了开幕词。She set the tone in her opening address.她在开幕词中定下了调子。His opening remarks struck the right note.他的开幕词讲得十分得体。His opening remarks at the meeting touched all the bases.他在大会的开幕词里提及了所有要点。