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2026英语单词在线查_免费看外语词汇翻译-单词机impetusimpetus考试真题

impetus

英 ['ɪmpɪtəs] 美['ɪmpɪtəs]

英语单词impetus

英英释义考试真题实用场景例句

n. 动力；促进；冲力

考试真题

One impetus for the policy is that companies are already starting to build massive constellations, comprising hundreds or thousands of satellites with many moving parts among them.