Check out this book. It says that pandas have a special lining in their throats to protect them from bamboo splinters!

看这本书。里面说熊猫的喉咙里有特殊的内膜，以此来保护自己，在吃竹子的时候不被刺破！

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Liquidity - Measures whether Market Makers are lining the book with reasonable depth.

流动性-市场庄家的措施是否有合理的深度的报价。

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First and second linings: the two linings applied to the spine of the book in case binding. The first lining is normally mull, the second lining normally kraft.

第一及第二衬料：造精装书时，在书脊上所加的两层衬料。第一层通常是纱布，第二层是牛皮纸。

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Lining: (1) Any materials applied to the inside of articles. (2) materials such as mull, kraft paper, etc, used for back lining in a case-bound book.

衬料：(1)任何的垫里材料。(2)装订书籍所用的贴脊材料，例如纱布、牛皮纸等。

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First and second linings the two linings applied to the spine of the book in case binding. the first lining is normally mull the second lining normally kraft. see back lining.

第一及第二衬料造精装书时，在书脊上所加的两层衬料。第一层通常是纱布，第二层是牛皮纸。参阅贴脊。

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First and second linings the two linings applied to the spine of the book in case binding. the first lining is normally mull the second lining normally kraft. see back lining.

第一及第二衬料造精装书时，在书脊上所加的两层衬料。第一层通常是纱布，第二层是牛皮纸。参阅贴脊。

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