本期内容：

Gun salutes across London are set to mark the arrival of the Duke and Duchess of Cambridge's third child. The couple's second son, who is fifth in line to the throne, was born on Monday at the Lindo Wing of St Mary's Hospital, London weighing 8lb 7oz.The traditional salutes will be fired from the Tower of London and Hyde Park at 14:00 BST.

Gun salutes: 鸣礼炮
Duchess：女爵
Throne：王位
BST：British Summer Time 英国夏令时

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