regulator

• 指控制或维持某种状态（如压力、温度、速度）的装置或机构；也指负责监督并确保某领域规则得到遵守的官方机构。

A noun referring to a device or mechanism that controls or maintains a specific condition, such as pressure, temperature, or speed, or an official body that oversees and enforces rules in a particular sector.

1. Device for controlling flow or pressureB2formaltechnical

   A device that automatically controls or maintains a desired level of fluid flow, pressure, temperature, or other variable.

   调节器

   • The gas regulator ensures a steady flow to the stove.
   • A pressure regulator is essential for safe scuba diving.
   • The temperature regulator in the oven keeps the heat constant.

   同义词controllergovernorvalve

2. Official supervisorB2formal

   An official or agency responsible for controlling and supervising a specific activity or area of public interest.

   监管机构

   • The financial regulator imposed new rules on banks.
   • The regulator approved the merger between the two companies.
   • The energy regulator sets the maximum price for electricity.

   同义词agencyauthorityboardcommissioncontrolleroverseersuperintendentwatchdog

3. Speed control mechanismC1formaltechnical

   A mechanism that maintains a constant speed in a machine, such as an engine, by regulating the supply of fuel or power.

   调速器

   • The engine's regulator keeps the RPM steady under load.
   • A centrifugal regulator was used in early steam engines.
   • The fuel regulator prevents the engine from overspeeding.

   同义词governor