It's written in epistolary form.
它是用书信体写成的。
柯林斯例句
The Color Purple ( 1982 ) is an epistolary novel featuring on women characterization.
《紫色》是一部以刻划女性形象为特色的书信体小说.
互联网
The novel adopts an epistolary form and depicts vivid and larger - than - life characters.
小说采用书信体刻画了栩栩如生、个性鲜明的人物形象.
互联网
"an endless sequence of epistolary love affairs"
"the epistolatory novel"