reservoir

• 名词，指储存大量物品（尤指水）以供将来使用的地方；也可指天然或人工的蓄水湖泊、储存液体的容器，或感染性病原体存活和繁殖的宿主。

A noun referring to a place where a large supply of something, especially water, is stored and kept for future use; it can also refer to a natural or artificial lake used for water storage, a tank for collecting liquids, or a host where an infectious agent lives and multiplies.

1. Water storage lakeB1formal

   A natural or artificial lake used to store water for a community, often for drinking, irrigation, or industrial use.

   水库

   • The city's main reservoir supplies water to over a million people.
   • During the drought, the reservoir's water level dropped significantly.
   • They built a new reservoir to ensure a stable water supply.

   同义词artificial lakeimpoundmentman-made lake

2. Large supply or reserveB2formal

   A large or extra supply of something, such as energy, knowledge, or resources, that can be used when needed.

   储备

   • She has a deep reservoir of patience when dealing with children.
   • The country has a vast reservoir of natural gas.
   • His mind is a reservoir of historical facts.

   同义词bankcachefundhoardpoolrepositoryreservestockstoresupply

3. Storage tankB2formaltechnical

   A tank or container used for collecting and storing a liquid, such as water or oil.

   储罐

   • The car's windshield washer fluid reservoir needs refilling.
   • The oil reservoir in the engine must be checked regularly.
   • They installed a large reservoir to collect rainwater.

   同义词cisternreceptacletankvat

4. Host for infectious agentC1formalmedical

   An organism, substance, or environment in which an infectious agent normally lives, multiplies, and from which it can be transmitted.

   传染源

   • Rodents are a natural reservoir for the hantavirus.
   • The water source acted as a reservoir for the cholera bacteria.
   • Identifying the animal reservoir is crucial for controlling the disease.

   同义词hostsource