A previously unknown extremist group has said it carried out Friday's bomb attack.
一个先前未知的极端分子组织声称其实施了周五的炸弹袭击。
The bomb is for self-protection and it also has a deterrent effect.
炸弹是用来自卫的，而且它还有威慑作用。
The bomb has a very long fuse, however.
不过这枚核弹的引信很长。
The car bomb has been a part of British life longer than the Internet.
车厢爆炸已经成为英国人生活的一部分，甚至比网络上的还长。
The car bomb has been a part of British life longer than the Internet.
车厢爆炸已经成为英国人生活的一部分，甚至比网络上的还长。
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