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1·He made an official visit to Tokyo in March.

他于三月到东京进行了一次公务访问。《牛津词典》

2·The US President Richard Nixon paid an official visit to China, during which Sino-US joint communique was issued in Shanghai.

美国总统理查德·尼克松对中国进行正式访问，其间《中美联合公报》在上海发表。

3·They made an official visit to the King.

他们正式拜访了国王。

4·They made an official visit to the king.

他们对国王作正式的访问。

5·Philip Hammond announced the new rules on an official visit to Beijing.

英国外交大臣哈蒙德在到北京进行国事访问时宣布了这个新规定。

6·Mandela is the first South African leader to pay an official visit to the Mainland.

曼德拉先生是对中国大陆进行官方访问的第一个南非领导人。

7·It is thought to be the first time a member of the royal family has used an aircraft provided by a private individual for an official visit.

据悉，这是王室成员首次使用私人提供的飞机进行官方访问。

8·Thee traveler's check is easy to carry, safe to use and simple to handle. It is a kind of payment tool suitable for an official visit or touring abroad.

旅行支票携带方便、使用安全、手续简便，是一种用于公务出国或罉旅游，比现金更为方便和安全的支付工具。

9·The Prince of Wales will cut travel costs by using a personal friend's private airplane for an official visit to the US, his spokesman says, BBC reported Friday.

据英国广播公司22日报道，威尔士亲王发言人表示，查尔斯王储为节约旅费，决定搭乘一位朋友的私人飞机，赴美国进行国事访问。

10·Foreign Minister Swaraj will pay an official visit to China from January 31 to February 3 and attend the 13th China-Russia-India Foreign Ministers Meeting in Beijing.

答：斯瓦拉吉外长将于1月31日至2月3日对中国进行正式访问，并出席在北京举行的中俄印外长第十三次会晤。