Apr 13, 2022 · UNESCO前面用a还是an用a。a用在以辅音字母开头，或以读做辅音的元音字母开头的单词前面，用在辅音音素开头的单数可数名词前，用在单词的首字母是以元音字母开头，但它的读音确实是以辅音音素开头。
Feb 3, 2012 · 关注. 英语单词后面是什么得看具体用法：. trillion：名词： [数] 万亿； 数词： [数] 万亿；形容词：万亿的。. billion：名词： 十亿；大量；数词：十亿；形容词：十亿的。. million：名词：百万；无数；数词： 百万；形容词：百万的；无数的。. thousand：名词 ...
Specialised agency of the United Nations for education, sciences, and culture
The United Nations Educational, Scientific and Cultural Organization (UNESCO) is a specialised agency of the United Nations (UN) aimed at promoting world peace and security through international cooperation in education, arts, sciences, and culture. It has 193 member states and 11 associate members, as well as partners in the non-governmental, intergovernmental, and private sector. Wikipedia
