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。

《牛津词典》

The First Lady unveiled a commemorative plaque.

第一夫人为纪念牌匾揭了幕。

《柯林斯英汉双解大词典》

Chinese scientists unveiled their latest lunar probe, the Chang'e 4, on Wednesday, saying it will be launched in December on a mission to land on the far side of the moon.

周三，中国科学家揭开了新一代月球探测器嫦娥四号的面纱，并表示嫦娥四号将于12月发射，执行在月球背面着陆的任务。

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During the memorial ceremony he unveiled a granite slab monument to Jackson, which Clay hopes will become part of the museum.

VOA: standard.2009.07.11

No such grand vision will be unveiled by Mr.Obama in Trinidad, according to the president's special advisor for the summit,Jeffrey Davidow.

VOA: standard.2009.04.15

This includes most of the hardware on parade. On March 17,President Dmitri Medvedev unveiled an ambitious rearmament plan to modernize Russia's military.

VOA: standard.2009.03.20

The unveiled plane, which Airbus have tagged "MSN001, " will undergo final tests before its maiden flight expected in June.

CNN: Airbus rolls out new A350 XWB

The Queen unveiled the sculpture as her final duty before leaving Holyrood on Saturday.

BBC: Silversmith Graham Stewart with his work

Currently, mobile caravans are subject to VAT and static caravans have been exempt since the 1970s, but the chancellor unveiled the new proposal in his Budget in March.

BBC: Caravan