eonothem

例句：

1. 1. The eonothem of the new book is very interesting.
   新书的封面设计非常有趣。
2. 2. The author's eonothem was featured in the magazine article.
   作者的封面设计在杂志文章中被特别提及。
3. 3. The eonothem of the bookstore is beautiful and eye-catching.
   书店的封面设计既美丽又引人注目。