diffraction
diffraction
/dɪˈfrækʃn; dɪ`frækʃən/ n[U].
牛津英汉双解词典
edrTRBnvbvbfdvEzudIdQg1m88q5imAx0fJs98kZOqu6gcmlb31bzg
b1934c58df781e51ef9489f7ca755995
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