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新东方-柯林斯雅思备考词典
broadband
英 [ˈbrɔːdbænd]
[NOUN]
1. [U 不可数名词] 宽带
Broadband is a method of sending many electronic messages at the same time by using a wide range of frequencies.
双语例句
例：A recent study shows many broadband services lack basic security features.
最近的研究表明许多宽带服务缺少基本的安全性。