Warning: file_put_contents(): Only 0 of 6154 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 ordinary ray英英字典_ordinary ray剑桥英语解释_ordinary ray柯林斯英文解释_零食美味英文词典
1. N the plane-polarized ray of light that obeys the laws of refraction in a doubly-refracting crystal 常光線→compare double refraction ,extraordinary ray