treasure trove 宝藏,宝库(贮藏珍宝、知识等)；有价值的物品（信息）; 藏宝地，宝库

abc

treasure trove
/ ˈtrɛʒə ˌtrov ; ˈtreʒə trəʊv /
◙noun [U]
1. a group of valuable or interesting things or pieces of information, or the place where they are
• 有价值的物品（信息）; 藏宝地，宝库:
▪ [+ of ]
»Our Science Shop is a treasure trove of curiosities and gadgets.
  我们的“科学商店”是一座新奇物品的宝库。
2. [BrE] law valuable objects, coins etc that are found where they have been hidden or buried, which are not claimed by anyone
• 〔在埋藏地被发掘出的〕无主财宝

treasure trove
'treasure trove
n
1. [U, C, usually sing.] valuable things that are found hidden and whose owner is unknown
   无主财宝
2. [C, usually sing.] a place, book, etc. containing many useful or beautiful things
   宝藏,宝库(贮藏珍宝、知识等)

treasure trove
noun , pl   ⋯ troves [  count  ]
  1 : a collection of valuable things (such as gold and silver coins or jewels) found in a place where it was hidden, buried, etc.
   Divers found a treasure trove of gold and silver in the wreckage of a ship that sank hundreds of years ago.
  2 : a source or collection of valuable things
  — usually + of
   The area is a treasure trove of fossils. [=the area has a very large number of fossils]
   The book is a treasure trove of useful information.

treasure trove
noun
(plural treasure troves)
Etymology: Anglo-French tresor trové, literally, found treasure, from Old French tresor treasure + trové, past participle of trover to find, from (assumed) Vulgar Latin tropare — more at treasure, trouve re
1. : something in the nature of treasure that anyone finds; specifically : gold or silver in the form of money, plate, or bullion which is found in the earth or otherwise hidden and the owner of which is not known
2. : a discovery or something discovered that is full of treasures : a valuable and productive source
< natural gas and petroleum are veritable treasure troves of paraffin … and aromatic hydrocarbons — Science >
< the diary … is a treasure trove to the abnormal psychologist — V.L.Parrington >

小说例句：
The floor mat on the driver's side of the vehicle hid a treasure trove of evidence beneath it.