reservoir
Definition
A large artificial lake used to store water; also, a source or supply of something.
日本語 水を貯蔵するための大きな人工湖
Example
"The drought caused the water level in the reservoir to drop dramatically."
A large artificial lake used to store water; also, a source or supply of something.
日本語 水を貯蔵するための大きな人工湖
"The drought caused the water level in the reservoir to drop dramatically."