electronic book
noun [ C ] uk/el.ekˌtrɒn.ɪk ˈbʊk/ us/i.lekˌtrɑː.nɪk ˈbʊk/
(also e-book)电子书籍
a book that is published in electronic form, for example on the internet or on a disk, and not printed on paper
electronic book publishing 电子书出版
an e-book publisher 电子书籍出版商