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。
英语解释：to remove a cover or curtain from a painting, statue, etc. so that it can be seen in public for the first time 为…揭幕；揭开…上的覆盖物；拉开…的帷幔:
注：一词多义，单词一次只记一种意思即可。
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