With the enemy army hard on his heels, he crossed the Somme at Blanche-Taque.他在布朗什－塔克渡过了索姆河，敌军紧随身后。The Somme was the bloodiest battle of the First World War.索姆河战役是第一次世界大战中最为血腥的一场战斗。The Battle of the Somme was a scene of dreadful carnage.索姆河战场上是一片可怕的大屠杀惨象。