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TOEFL BNC: 7072 COCA: 8018
acceleration
ækselərʃən ækˌsɛlərˈeɪʃən ækˌsɛləˈreɪʃən əkˌsɛlərˈeɪʃən əkˌsɛləreɪʃɛn
1 N-UNCOUNT 加快;增速 The acceleration of a process or change is the fact that it is getting faster and faster. 加快;增速
  • He has also called for an acceleration of political reforms. [+ of/in]

    他同时呼吁加快政治改革的步伐。

  • ...the sharp acceleration in job losses.

    失业的急速增加

SYN hastening, hurrying, stepping up [informal] , expedition
2 N-UNCOUNT (汽车等的)加速能力,加速幅度 Acceleration is the rate at which a car or other vehicle can increase its speed, often seen in terms of the time that it takes to reach a particular speed. (汽车等的)加速能力,加速幅度
  • Acceleration to 60 mph takes a mere 5.7 seconds.

    加速到时速60英里只需要5.7秒。

SYN speeding up, gathering speed, opening up, increasing speed
3 N-UNCOUNT 加速度 Acceleration is the rate at which the speed of an object increases. 加速度 [technical]
Trends of acceleration
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See also: accelerate

TOEFL BNC: 7072 COCA: 8018
acceleration

noun¹

1increase in speed加快;增速ADJECTIVE | PREPOSITION ADJECTIVErapid, sudden飛速的/突然的加快gradual逐步的加快PREPOSITIONacceleration in在⋯方面的加快There has been a rapid acceleration in the growth of industry.工業一直在快速發展。
acceleration

noun²

2ability of a car to accelerate(汽車的)加速性能ADJECTIVEfast, good加速快;加速性能好This model has the best acceleration of any available sports car.這款車的加速性能是現有跑車中最好的。poor, slow加速性能差;加速慢
TOEFL BNC: 7072 COCA: 8018

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