official languages of the UN
Refers to the six official languages of the United Nations: Arabic, Chinese, English, French, Russian, and Spanish.
There are six official languages of the UN.
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).