自製炸彈 zìzhìzhàdàn improvised explosive device Origin Definitions Defs Strokes Stroke Words Sentences Sents 自制 自製 zìzhì adjectiveverb homemade to make by oneself; to manufacture locally or by the institution concerned; self-made; handmade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