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incidence

英 ['ɪnsɪd(ə)ns] 美['ɪnsɪdəns]

英英释义考试真题实用场景例句

n. 发生率；影响；[光] 入射；影响范围

英英释意

1. the relative frequency of occurrence of something

2. the striking of a light beam on a surface;: "he measured the angle of incidence of the reflected light"