单词	bookholder
释义	bookholder noun : a device that supports a book compare bookrack, bookrest Word History First Known Use 1838, in the meaning defined above
随便看	chemise chemises chemisette chemisettes chemism chemisms chemisorb chemisorbed chemisorbing chemisorbs chemisorption chemisorptions chemist chemist's shop chemistries chemistry chemistry set chemists chemitypes chemitypies chemmy Chemnitz chemo chemo brain chemoattractants

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