This week's state visit by Chinese president Xi Jinping may be a nervy time for Duchess of Cambridge.
本周，中國國家主席習近平對英國的國事訪問可能會令劍橋公爵夫人坐立不安。

The mum-of-two is set to attend her first state banquet at Buckingham Palace.
已經育有兩個孩子的凱特王妃將首次出席在白金漢宮（Buckingham Palace）舉行的國宴。

Kate's husband the Duke of Cambridge is also expected to be attending his first Palace banquet - at the age of 33.
凱特王妃的丈夫——現年33歲的劍橋公爵也將第一次出席在白金漢宮（Buckingham Palace）舉行的國宴。

The Cambridges did attend a state dinner in Singapore during their Jubilee tour in 2012, but it was a tiara-free affair.
劍橋公爵夫婦2012年訪問新加坡時參加過一次國宴，這次訪問是伊麗莎白二世女王登基60周年鉆禧慶祝的一部分，但那次國宴凱特無需佩戴冕狀頭飾。

Here are some of the things the Duchess needs to know about state banquets at the Palace:
以下是公爵夫人出席白金漢宮的國宴所要知道的一些事項。

Don't buy a tiara - borrow one off the Queen
不要買頭冠——向英國女王借一個

Female members of the royal family dress in evening gowns and wear tiaras - often loaned to them by the Queen.
王室的女性成員需要穿晚禮服并且佩戴頭冠——頭冠通常是女王借給她們的。

It will only be the third time Kate has been seen in a tiara.
這是凱特王妃第三次佩戴頭冠。

She wore one belonging to the Queen for her wedding in 2011 - the Queen Mother's Cartier Halo Tiara - and later was pictured in the Papyrus Tiara which belonged to Princess Margaret at the Queen's annual diplomatic reception at the Palace in 2013.
在2011年的婚禮上，凱特王妃頭戴一頂女王借給她的頭冠——是來自女王母親的卡地亞光環頭冠——后來在2013年女王在白金漢宮舉行的年度外交招待會上，她被拍到佩戴莎草紙皇冠，這頂頭冠曾經為瑪格麗特公主（注：伊麗莎白二世女王的胞妹，已故）所有。

Senior royal women also display their family orders - miniature portraits of the sovereign set in diamonds suspended from a ribbon - pinned to their left shoulder.
高級王室女性成員還會展示象征她們家族地位的綬帶——懸掛在絲帶上的由鉆石鑲嵌的君主的微型肖像——綬帶掛在左肩。