reservoir
🇺🇸
/ˈrezərvwɑːr/
🇬🇧
/ˈrezəvwɑː(r)/
A large natural or man-made lake that stores water for people to use.
The city gets its drinking water from a large reservoir in the mountains.
この都市は山にある大きな貯水池から飲料水を得ています。
A large supply of something that can be used when needed.
The internet is a huge reservoir of knowledge and information.
インターネットは知識と情報の巨大な貯蔵庫です。
A container in a machine that holds liquid before it is used.
Check the oil reservoir before starting the engine.
エンジンを始動する前にオイルタンクを確認してください。