Anything that resembles a racket, from a plank to cardboard or even a hardcover book, may be used as a racket.

只要看着像块球拍，管它是木板还是纸板，或者是一本硬皮的书，都可以拿来做球拍。

The opposite of a hardcover book would be a " softcover" (softcover) book.

与精装书相反的是“软皮”（softcover）书。

Softcover books are usually cheaper, lighter, and smaller than hardcover books.

精装书通常比精装书更便宜、更轻、更小。

" Although I have to admit as a first-time author, when the hardcover book arrived, it felt really good to hold in my hands" .

“虽然我不得不承认， 作为一名初次作者， 当精装书到达时， 握在手中的感觉真的很棒” 。

Hardcover books are usually bigger books, and they are often the first version of a book that a publisher – someone who makes books – releases.

精装书通常是更大的书，而且它们通常是出版商（制作书籍的人）发布的书籍的第一个版本。