a sealed book的用法和样例：
- This is a wordless heavenly book.
- This book will be book of the soul bible enlightenment bestows the lucky treasured book non-price book from heaven!
a sealed book的相关资料：
Aokage a A.Plasmopara B.Peronspora C.Pseudoperonospora D. a situation fraught with danger/difficulty/problems A Working-flow-chart-based Office Automation System a resource-efficient and environment-friendly society a strange/an extraordinary/a remarkable coincidence a superficial analysis/approach/examination/view a maternity/surgical/psychiatric/children's ward A Rational Attitude to Victim-offender-reconciliation a child's cognitive abilities/behaviour/development