1.The African Union (AU) has unveiled a statue of Ethiopia's Emperor Haile Selassie I at its headquarters in Ethiopia's capital city Addis Ababa.
unveil 揭开;揭幕
The Queen unveiled a plaque to mark the official opening of the hospital.
女王主持揭幕式,标志着医院正式启用 。
2.Speaking at the inauguration of the OAU, he said: "May this union last 1,000 years."
inauguration 开幕;开幕式
They later attended the inauguration of the University.
他们后来参加了该大学的落成典礼 。