反导系统 fǎndǎoxìtǒng anti-missile system Origin Definitions Defs Strokes Stroke Words Sentences Sents 反导 反導 fǎndǎo anti-missile (bound form) short for 反导弹 fǎndǎodàn, referring to anti-missile systems or defenses系统 系統 xìtǒng noun system A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.