Definition: describes a piece of writing which has a lot of pages or words Level: A2
我正在读一本关于历史的长篇书籍。
I'm reading a ___long book about history.
她为她的课写了一篇很长的报告。
She wrote a ___long report for her class.
谢谢你发给我这么长而详细的电子邮件。
Thank you for sending me such a ___long and detailed email.
