集束炸弹 jíshùzhàdàn cluster bomb Origin Definitions Defs Strokes Stroke Words Sentences Sents 集束 jíshù to cluster to gather together into a bunch; bundled; collected炸弹 炸彈 zhàdàn noun bomb a type of explosive weapon usually made of a metal shell filled with explosives, triggered by a fuse and dropped from aircraft or thrown