曳光弹

tracer ammunition / tracer

to drag / to pull / Taiwan pr. [yi4]

light / ray / CL:道[dao4] / bright / only / merely / to use up

crossball / bullet / shot / shell / ball

to pluck (a string) / to play (a string instrument) / to spring or leap / to shoot (e.g. with a catapult) / (of cotton) to fluff or tease / to flick / to flip / to accuse / to impeach / elastic (of materials)