central

• 指位于中间位置的，或指最重要、最关键的部分。

Describes something that is located in the middle of an area or is the most important part of something.

1. Located in the middleA2formal

   Situated at or near the center of something.

   中央的

   • The hotel is located in a central area of the city.
   • The central part of the garden has a fountain.
   • The central heating system keeps the house warm.

   同义词innerinteriorintermediatemedialmedianmidmiddlemidway

   反义词edgefringemarginalouterperipheral

2. Most important or mainB1formal

   Of primary importance; essential or key.

   主要的

   • Education plays a central role in society.
   • The central theme of the book is love and loss.
   • Her central argument was supported by strong evidence.

   同义词chiefcoreessentialfundamentalkeyleadingmainmajorprimaryprincipal

   反义词incidentalminorperipheralsecondarysubordinate

3. Controlling or governingB1formal

   Relating to the main authority or governing body.

   中央的

   • The central government announced new policies.
   • Decisions are made by the central committee.
   • The central bank controls interest rates.

   同义词chieffederalgoverningmainnationalprincipalsupremetop

   反义词autonomousdecentralizedlocalperipheralregional

• 指电信机构，电话线路在此连接以提供通信。也可指中心、中央或总部的意思。

A noun referring to a telecommunications facility where telephone lines are connected to enable communication.

1. Telephone exchangeB2formalIT

   A workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication.

   电话交换局

   • The central was upgraded to handle more calls simultaneously.
   • Technicians worked overnight to repair the damaged central.
   • All local calls are routed through the main central.

   同义词central officeexchangeswitchboardtelephone exchange