3 文書を見つけるための辞書。

• second battle of ypres, ypres, battle of ypres
• イープル
• battle in World War I (1915); Germans wanted to try chlorine (a toxic yellow gas) as a weapon and succeeded in taking considerable territory from the Allied salient
• 第一次世界大戦での戦い（1915）

• ypres, first battle of ypres, battle of ypres
• イープル
• battle in World War I (1914); heavy but indecisive fighting as the Allies and the Germans both tried to break through the lines of the others
• 第一次世界大戦（1914）の中の戦い

• third battle of ypres, ypres, battle of ypres
• イープル
• battle in World War I (1917); an Allied offensive which eventually failed because tanks bogged down in the waterlogged soil of Flanders; Germans introduced mustard gas which interfered with the Allied artillery
• 第一次大戦中の戦い（1917年）