a tall structure with devices for sending and receiving mobile phone signals

Phone masts tower above cities such as Cape Town and Cairo. 手机信号塔高耸在开普敦和开罗等城市的上空。

Thousands of highly controversial new mobile phone masts are to be erected throughout England and Wales. 成千上万新手机信号塔将在英格兰和威尔士各地竖立起来，这引起了很大争议。