ex libris [eks'laibris]
(=belonging to the library of) ...的藏书
藏书签
ex libris[ noun ]
a label identifying the owner of a book in which it is pasted
<noun.communication>
Ex libris \Ex` li"bris\ [L. ex from + libris books.]
An inscription, label, or the like, in a book indicating its
ownership; esp., a bookplate.
[Webster 1913 Suppl.]