spiral-bound

US /ˈspaɪ.rəl.baʊnd/
UK /ˈspaɪ.rəl.baʊnd/
"spiral-bound" picture
1.

encadernado em espiral, com espiral

bound with a spiral of wire or plastic passing through holes punched along one edge

:
The notebook was spiral-bound, making it easy to open flat.
O caderno era encadernado em espiral, facilitando a abertura plana.
She preferred spiral-bound calendars for their durability.
Ela preferia calendários encadernados em espiral pela sua durabilidade.