撞针，指火器的闭锁机构中撞击底火的尖销。
n. striker
vi. hammer
misc. firing pin ; priming wire
辩护的中心是实际上丹尼斯并没威胁到任何人，因为，原来那支枪上的撞针事先被卸掉了，所以那支枪根本不能用。
The gist of the defense argument was that no one had actually been endangered by Dennis because, it turned out, the firing pin of his gun had been removed and the weapon couldn't be fired.
钢锁与撞针于大角斗场结识威震天。
撞针已经落下，可是既没有火光，也没有响声；
The hammer fell, but there followed neither flash nor sound;
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