| 释义 | 
             
                primary x rays
                
            髓线suǐ xiàn 
 medullary ray; pith ray放射光线fàng shè guāng xiàn 
 ray光芒guāng máng 
 rays of light主次zhǔ cì 
 primary and secondary红外线hóng wài xiàn 
 infrared, infrared ray紫外线zǐ wài xiàn 
 ultraviolet rays [light]原电池yuán diàn chí 
 primary battery; primary element; primary cell; galvanic cell阿尔法射线ā ěr fǎ shè xiàn 
 alpha rays主重音zhǔ zhòng yīn 
 primary accent, primary stress索引suǒ yǐn 
 index; reference; indexing; X未知因素wèi zhī yīn sù 
 X factor限制级电影xiàn zhì jí diàn yǐng 
 X-film晨曦chén xī 
 first rays of the morning sun晨光熹微chén guāng xī wēi 
 first rays of the morning sun; the dim light of dawn; the first faint rays of平行光píng háng guāng 
 parallel light; collimated light; parallel rays日光rì guāng 
 sunlight; sunbeam; sunshine; rays of the sun霞光xiá guāng 
 rays of morning or evening sunlight; sunglow鲼fèn 
 eagle ray显出xiǎn chū 
 ray鳐鱼yáo yú 
 ray电鳐diàn yáo 
 electric ray光线guāng xiàn 
 beam, ray鳍刺qí cì 
 ray; spine初波chū bō 
 primary wave初等chū děng 
 elementary, primary
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