英语听力精选进阶版 12449（在线收听）

27 Feb 2014: Lough Swilly, Donegal

Thu, 27 Feb 14

Lough Swilly, in County Donegal, provided shelter for the entire British Grand Fleet in autumn 1914. Kite balloons were used to spot German submarines and six-inch artillery guns guarded the mouth of the lough.