acronym
n
word formed from the initial letters of a group of words, eg UNESCO , ie United Nations Educational, Scientific and Cultural Organization 首字母缩略词(由一组词中各词的首字母组合而成的词, 如UNESCO是由United Nations Educational, Scientific and Cultural Organization各词的首字母组成的词).
Don't touch anything unless your teacher tells you to.
除非老师允许,否则你不要动任何东西。
Do you remember one afternoon ten years ago when I came to your house and borrowed a necklace of yours? Pierre, my husband, was working in a government office. We'd been invited to a ball at the palace so I needed to borrow some jewellery.