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1·There were heavy losses in Britain's merchant tonnage during the Battle of the Atlantic.

在大西洋海战中英国的商船遭受了巨大的损失。

2·Canadian veterans remembered the Battle of the Atlantic on Sunday in ceremonies all across Canada.

在周日，加拿大全国上下，老兵们都在追忆大西洋战斗史。

3·Every year, on the first Sunday of May, Canada recognizes the end of the Battle of the Atlantic with ceremonies across the nation.

在每年五月份的第一个周日，加拿大全国上下都会举行纪念大西洋战斗结束的仪式。

4·It is believed to have been extracted during Napoleon's exile to the South Atlantic British island of St Helena, following his defeat at the Battle of Waterloo in 1815.

一般认为，这颗牙是拿破仑1815年滑铁卢之役战败后，被放逐到南大西洋英属圣赫勒纳岛期间被拔下。