at the opening

• The president was invited to deliver a speech at the opening ceremony
  总统受到邀请在开幕式上作演讲。
• To play with you here at the open
  能跟你在公开赛同场竞技
• He looked again at the open port
  他再看了看打开的舷窗。
• Officiating at the opening ceremony of the education and career expo 2001
  为教育及职业博览会2001主礼。
• Special concerts are held at the open - air stage in yoyogi park
  代代木公园里，在野外舞台上举办音乐会。
• As officiating guest at the opening of a new branch of the hang seng bank
  为恒生银行新分行揭幕主礼嘉宾。
• He glanced at the open port - hole
  他瞥了一眼舷窗口。
• The speech at the opening ceremony of
  开幕式上的发言
• Governor john wan was at the opening ceremony , as were a number of rotarians
  各属会社长、秘书长及领导同寅：
• The director of health , dr py lam , will address at the opening ceremony
  生署署长林秉恩医生将于开幕典礼中致辞。