N-COUNT (尤用作名称)首字母缩拼词,首字母缩略词 An acronym is a word composed of the first letters of the words in a phrase, especially when this is used as a name. An example of an acronym is NATO which is made up of the first letters of the 'North Atlantic Treaty Organization'. (尤用作名称)首字母缩拼词,首字母缩略词