Task: Translation
Input (English): An Islamic militant web forum has released a videotape of Al-Qaeda's second in command, Ayman al-Zawahiri, who reportedly released the tape to commemorate the battle of Tora Bora in December 2001.
Output (Chinese): 一个伊斯兰激进分子网络论坛公布了基地组织二号头目扎瓦希里的一盘录像带。据报道，扎瓦希里公布这盘录像带是为了纪念2001年12月的托拉博拉战役。