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deceleration

美音:[dı´selə´reıʃən ]点这儿播放单词美音发声
英音:[dı´selə´reıʃən ]点这儿播放单词英音发声
n.减速

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deceleration为短语/超纲词汇

deceleration


/,di:selə'reɪʃn; di,sɛlə`reʃən/
n [U]
(a) slowing down or being caused to slow down 减速.
(b) rate of decrease of speed per unit of time 单位时间内的减速率.