accelerationn.
英 əkselə'reɪʃ(ə)n | 美 ək'sɛlə'reʃən
中文n. 加速，促进；[物] 加速度
词根词源
acceleration (n.)1530s, from Latin accelerationem (nominative acceleratio) "a hastening," noun of action from past participle stem of accelerare "to hasten, quicken" (see accelerate).
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