“书脊”造句

那书脊是烫金的.
The spine is tooled in gold.

这本书的书脊很漂亮,很吸引人.
The spine of the book is very beautiful and attractive.

圆脊机: 把书脊做成凸起圆弧的机器.
Back rounding machine: Machine for rounding the back of a book.

• #书脊