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TOEFL BNC: 25451 COCA: 24651

refraction

noun
/rɪˈfrækʃn/
/rɪˈfrækʃn/
[uncountable] (physics物理)
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  1. the fact of light, radio waves, etc. changing direction when they go through water, air, glass, etc. at an angle折射:光,无线电波等以一定角度穿过水,空气,玻璃等时改变方向
    • The degree to which the light changes direction is called the angle of refraction.光线改变方向的程度称为折射角。
    Topics Physics and chemistryc2

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