The first shell fired from this gun in 1918 was the very first man made object to enter into the stratosphere.
1918 年,这架枪炮发射的第一枚炮弹是第一个进入平流层的人造物体。
BBC 听力 2012年12月合集
As civil war rages across Syria, both sides say a school close to Damascus has been hit by shell fire killing around 30 people, almost all of them children.Jim Muir reports from neighboring Lebanon.