英语听力精选进阶版 11488

 

A History of the World Special 18 May 2011

 hu, 19 May 11

Peter Lewis tells a story of love, separation and hardship, through the object he added to the BBC History of the World website: a portrait of a private soldier's sweetheart, painted secretly for his Uncle Bryn in the Auschwitz concentration¹ camp.

1 concentration   

n.集中；专注；浓度；浓缩

参考例句：

• She wrinkled her brows in concentration.她蹙额皱眉，陷入沉思。
• If smoke is going that way,then it means the concentration here should be decreasing.如果烟雾沿着这个方向飘，这意味着，这里的浓度应该是减少的。