blue box
美 
英 
- 网络蓝盒子;蓝箱;蓝色措施
 
n.  | 1. an illegal device formerly used to defraud pay telephones by reproducing tones that would permit free calls 2. a box made of blue plastic, used in households to hold recyclable waste  | 
英汉词典包含292483条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。