n.[C]

1. （蓄）水庫；貯水池（或槽）；貯存器
   This reservoir supplies the entire city with water.

   這個水庫為全城供水。

2. 儲藏所，倉庫
3. （知識，精力等的）儲藏，積蓄[（+of）]
   History is a reservoir of human experience.

   歷史是人類經歷的總匯。

4. 【生】儲液囊

vt.

1. （在水庫，水槽等中）儲藏，積蓄

n.

1. a large natural or artificial lake used as a source of water supply.
   ▸a supply or source of something.
2. a place where fluid collects, especially in rock strata or in the body.
3. a receptacle or part of a machine designed to hold fluid.