dumdum
/ˈdʌmdʌm/(亦作 dumdum bullet)
noun
- a kind of soft-nosed bullet that expands on impact and inflicts laceration达姆弹, 柔头弹（一种撞击时能膨胀并能造成裂伤的软头子弹）。
词源
late 19th cent.: from Dum Dum, name of a town and arsenal near Calcutta, India, where such bullets were first produced.