accelerate

/əkˈseləreɪt/ (bre, ipa) · /əkˈseləreɪt/ (ame, ipa) · /ik-ˈse-lə-ˌrāt ak-/ (ame, mw)

accelerate — 動詞

  • acceleratepresent simple I / you / we / they
  • accelerateshe / she / it
  • acceleratedpast simple
  • accelerating-ing form

1. of a car, train, or similar machine, to move at a higher speed than before, usua

1.動詞不及物B2
釋義

加速行駛

車輛行駛速度變快

of a car, train, or similar machine, to move at a higher speed than before, usually because the driver presses the gas pedal harder.

例句

The taxi accelerated as the traffic light turned green outside the station.

車站外號誌燈轉綠時,計程車隨即加速行駛。

subject is a vehicle; intransitive use

Saoirse's small electric car can accelerate from zero to sixty in under five seconds.

Saoirse的小型電動車能在五秒內從靜止加速到時速六十英里。

accelerate from X to Y for speed range

同義詞
  • speed up

    everyday phrasal verb; less formal than 'accelerate'

  • pick up speed

    idiomatic; emphasises the gradual increase

反義詞
  • decelerate

    formal; means to slow down

  • brake

    specific to vehicles; means to slow using the brake pedal

文法句型

[vehicle] + accelerates

accelerate from X to Y mph

用法筆記

Subject is almost always a vehicle or its driver. Distinguish from sense 2: this sense is reserved for engine-powered transport, while sense 2 covers people, animals, or other moving objects.

常見錯誤

The taxi accelerated the speed.
The taxi accelerated.
💡in this sense the verb is intransitive; do not add 'the speed' as an object.

2. of a runner, animal, or moving thing, to start travelling at a quicker pace than

2.動詞不及物C1
釋義

加快速度

人或物的移動速度變快

of a runner, animal, or moving thing, to start travelling at a quicker pace than the one being kept just before.

例句

On the final lap, Kofi accelerated and overtook two runners before the finish line.

在最後一圈,Kofi加快速度,在終點線前超越了兩名選手。

subject is a person; intransitive

The cheetah accelerated across the dry grass and caught the young gazelle in seconds.

獵豹在乾草地上加快速度,幾秒內就抓住了那隻幼小的瞪羚。

同義詞
  • speed up

    neutral, everyday verb

  • quicken

    literary; often used of pace or steps

  • sprint

    specifically a sudden short burst of running

反義詞

文法句型

[person/object] + accelerates

用法筆記

Subject is a person, animal, or non-vehicle object. Often used in sports reports and physics contexts. Distinguish from sense 1, which is reserved for engine-powered vehicles.

3. of a process or change, to take place at a quicker rate, or to push such a proce

3.動詞及物 / 不及物C1
釋義

加快;提早

事情或變化更快或更早發生

of a process or change, to take place at a quicker rate, or to push such a process to take place at a quicker rate.

例句

Climate scientists warn that warmer oceans are accelerating the melting of polar ice.

氣候科學家警告,海洋升溫正在加快極地冰層融化的進程。

transitive: accelerate + noun (melting)

Online classes accelerated Pedro's progress through the second-year history course.

線上課程加快了Pedro在二年級歷史課的學習進度。

transitive: accelerate someone's progress

同義詞
  • speed up

    everyday equivalent for processes

  • hasten

    more formal; often suggests urgency

  • expedite

    formal; usually about official procedures

反義詞
  • slow

    as a verb: to make a process happen more slowly

  • delay

    to push the timing later rather than make it quicker

  • decelerate

    formal; used of growth, inflation, or similar trends

文法句型

accelerate + noun (process/decline/growth)

[process] + accelerates

用法筆記

Subject or object is a non-physical process such as growth, decline, change, or progress. Distinguish from senses 1 and 2, where the subject physically moves through space.

常見錯誤

The new drug accelerates patients to recover.
The new drug accelerates the recovery of patients.
💡'accelerate' takes a process or noun, not a person + to-infinitive.

4. to act on a moving body so that its physical speed becomes higher than it was a

4.動詞及物C1
釋義

使加速

施力讓物體移動得更快

to act on a moving body so that its physical speed becomes higher than it was a moment earlier.

例句

Powerful magnets in the long tunnel accelerate the tiny particles to nearly the speed of light.

長隧道中的強力磁鐵能將微小粒子加速到接近光速。

transitive: accelerate + object (particles)

Strong winds accelerated the small wooden boat across the calm lake toward the harbour.

強風把那艘小木船加速推過平靜的湖面,朝港口而去。

同義詞
  • speed up

    neutral; works in casual writing

  • propel

    emphasises pushing forward, not just speed

反義詞

文法句型

accelerate + [moving object]

用法筆記

Common in physics and engineering. Subject is usually a force, engine, or field, and the object is the thing being made to move faster. Distinguish from sense 3, which acts on processes rather than physical motion.