防御系统 fángyùxìtǒng defense system Definitions Defs Origin Strokes Stroke Words Sentences Sents 防御 防禦 fángyù nounverb defend to resist and hold back an enemy attack; to guard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.
