noun
official languages of the UN
Refers to the six official languages of the United Nations: Arabic, Chinese, English, French, Russian, and Spanish.
国連公用語は六つあります。
There are six official languages of the UN.
国連公用語に指定されている言語は、アラビア語、中国語、英語、フランス語、ロシア語、スペイン語です。
The languages designated as official UN languages are Arabic, Chinese, English, French, Russian, and Spanish.
公用語 means 'official language' in general, while 国連公用語 specifically refers to the official languages of the United Nations.
Compound of 国連 (United Nations) and 公用語 (official language).