通过使用短语中每一个单词的书字母形成的用英语怎么说

问题描述:

通过使用短语中每一个单词的书字母形成的用英语怎么说

acronyms:formed by the first letter of each word in a phase.

是首字母吧,be formd by using the first letter of each word in the phrase

to be formed with the capitals of every words of an expression(expressions).