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N-COUNT
（尤指在國外代表政府的）全權代表，全權大使
A plenipotentiary is a person who has full power to make decisions or take action on behalf of their government, especially in a foreign country.
例句
...the Polish government in exile's plenipotentiary in Warsaw.
波蘭流亡政府在華沙的全權代表
...the British Plenipotentiary to the UN conference.
英國在聯合國大會的全權代表
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ADJ
（大使、公使等）全權的
An ambassador plenipotentiary or minister plenipotentiary has full power or authority to represent their country.
例句
She became Her Britannic Majesty's new ambassador plenipotentiary to the Republic of Lebanon...
她成為了英國女王陛下駐黎巴嫩共和國的新任全權大使。
Edwin H. Conger was envoy extraordinary and Minister Plenipotentiary.
埃德溫·H. 康格是特命全權公使。
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ADJ
全（權）的
If someone such as an ambassador has plenipotentiary powers, they have full power or authority to represent their country.
例句
The Constitution grants the president plenipotentiary powers to use military force to protect our national security.
憲法賦予總統全權來使用武力保衛國家安全。