| 释义 | deceleratede‧cel‧e‧rate /ˌdiːˈseləreɪt/ verb [intransitive] formal    VERB TABLEdecelerate |
 | Present | I, you, we, they | decelerate |  |  | he, she, it | decelerates |  | Past | I, you, he, she, it, we, they | decelerated |  | Present perfect | I, you, we, they | have decelerated |  |  | he, she, it | has decelerated |  | Past perfect | I, you, he, she, it, we, they | had decelerated |  | Future | I, you, he, she, it, we, they | will decelerate |  | Future perfect | I, you, he, she, it, we, they | will have decelerated | 
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 | Present | I | am decelerating |  |  | he, she, it | is decelerating |  |  | you, we, they | are decelerating |  | Past | I, he, she, it | was decelerating |  |  | you, we, they | were decelerating |  | Present perfect | I, you, we, they | have been decelerating |  |  | he, she, it | has been decelerating |  | Past perfect | I, you, he, she, it, we, they | had been decelerating |  | Future | I, you, he, she, it, we, they | will be decelerating |  | Future perfect | I, you, he, she, it, we, they | will have been decelerating | 
to go slower, especially in a vehicle  SYN  slow down  OPP  accelerate—deceleration /ˌdiːseləˈreɪʃən/ noun [uncountable]:Alpha particles are just high-energy 4He nuclei; after decelerating and picking up electrons, they become atoms of 4He.An underpowered helicopter will rapidly decelerate as soon as you apply any control input and the model will come to a dead stop-probably inverted.Between the bow shock and the magnetopause the solar wind is greatly decelerated.I have an aggravating whine coming from my gearbox every time I decelerate in fourth gear.Only four steps are required to decelerate the motor, as the load torque contributes to the decelerating torque.Our flight continued to decelerate to about 70 knots.Steeply, noses high, the whole flight rapidly decelerated for the landing.Then, with a single powerful engine burn, the spacecraft can decelerate to a soft landing on the lunar surface.
 a deceleration in economic growth |