impetuosityn.
英 ɪm,petjʊ'ɒsətɪ | 美 ɪm,pɛtʃʊ'ɑsəti
中文n. 性急，冲动；冲力，猛烈
词根词源
impetuosity (n.)early 15c., "violent movement, rushing," from Old French impetuosité (13c.), from Medieval Latin impetuositatem (nominative impetuositas), from Late Latin impetuosus (see impetuous).
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