dust jacket meaning in English

1.(书的)护封。
2.(家具等的)防尘布套。

Do you need a dust jacket for the book
这本书需要防尘外套吗？
The dust jacket of his book promises tips on love , work and dentistry , and that ' s only the start
书的护封上许诺了关于爱情、工作和看牙医的小贴士，这还只是开始。
On the dust jacket of this fine book , stephen jay gould says : this book stands for reason itself
在这本杰出的书的外纸封面上，史蒂芬?杰伊?古尔德写道：这本书本身就代表理性。
On the dust jacket of this fine book , stephen jay gould says : " this book stands for reason itself . " and so it does - and all wound be well were reason the only judge in the creationism / evolution debate
在这本精装书的扉页上，斯达芬哲克劳德说： “这本书为它本身而存在”事实确实如此- - - -这一点将在进化论与造物论的争论中得到验证。
On the dust jacket of this fine book , stephen jay gould says : " this book stands for reason itself . " and so it does ? and all would be well were reason the only judge in the creationism / evolution debate
在这本书的封皮上，史蒂芬-杰-高德说“这本书代表理性本身” ，事实也确实是这样? ?在神创论和进化论之中，如果把理性作为判断的唯一标准一切事情都好办了。