deceleration

/dɪˌsɛləˈɹeɪʃən/ 名词 C2

中文：减速

The act or process of decelerating. (uncountable) · The rocket is now in deceleration.
The amount by which a speed or velocity decreases (and so a scalar quantity or a vector quantity), an acceleration having a negative numerical value. (countable) · The brakes produce a deceleration of 10 metres per second.

复数 decelerations

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