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词汇 accelerator
释义

accelerator

Word family nounaccelerantaccelerationacceleratoraccelerometeradjectiveaccelerativeacceleratoryverbaccelerate
Related topics: Motor vehicles
ac·cel·e·ra·tor /əkˈseləreɪtə $ -ər/ noun [countableC]  
1. TTCthe part of a car or other vehicle that you press with your foot to make it go faster 〔车辆的〕加速装置,油门 SYN American English gas pedal4  See picture on 见图 Page A2 Car 汽车5 see picture at 见图 car
2. technical a large machine used to make extremely small pieces of matter1(3) move at extremely high speeds 粒子加速器
Examples from the Corpus
From Longman Business Dictionary
acceleratorac·cel·e·ra·tor /əkˈseləreɪtə-ər/ noun [singular]ECONOMICS
1the principle that when demand for goods rises and falls, investment rises and falls by even larger amounts
2when a government uses the accelerator, it encourages demand as a way of controlling the economy
Ministers need to time their use of the economic brake or accelerator carefully.
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