Warning: file_put_contents(): Only 0 of 6379 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 brightening agent英英字典_brightening agent剑桥英语解释_brightening agent柯林斯英文解释_菜篮子兴趣思朗文词典
1. N a compound applied to a textile to increase its brightness by the conversion of ultraviolet radiation to visible (blue) light, used in detergents 增白剂