打台球中炮弹式发球。
一场战斗中，一颗炮弹就在他身后爆炸而他幸存下来了。
In a battle, a bomb went off just behind him but he survived.
甚至极少数发生大角度的散射，卢瑟福后来回忆说：“这是我一生中从未有的最难以置信的事，它好比你对一张纸发射出一发炮弹，结果被反弹回来而打到自己身上。”
A few even bounced straight back at the observer, which Rutherford said was as unexpected as firing a cannon shell at tissue paper and having it come back and hit you.
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