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首页英语词典diffractiondiffraction英英释意

diffraction

英[dɪ'frækʃn] 美[dɪ'frækʃən]

英英释义实用场景例句

n. （光，声等的）衍射，绕射

英英释意

1. when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands