A municipal borough of northeast England on the North Sea at the mouth of the Blyth River. It is an industrial center and a seaport. Population, 78,200.是什么意思_A municipal borough of northeast England on the North Sea at the mouth of the Blyth River. It is an industrial center and a seaport. Population, 78,200.在线翻译_英语_读音_用法_例句