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Ultraviolet的音标发音
Ultraviolet
英式发音：[ltr'valt] or [,ltr'valt]
美式发音
(noun.) radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays.
(adj.) having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end; 'ultraviolet radiation'; 'an ultraviolet lamp' .
乔校对
