longueur
noun [ C usually plural ] literary uk/lɔ̃ˈɡɜːr/ us/lɔ̃ˈɡɝː/
（尤指书籍、影片等的）沉闷部分
a boring part of something, especially a book, film, etc.
Despite the occasional longueurs, this is an impressive first novel. 尽管有些段落很沉闷，但它仍不失为一部给人留下深刻印象的小说处女作。