新风系统 xīnfēngxìtǒng fresh air system Definitions Defs Origin Strokes Stroke Words Sentences Sents 新风 新風 xīnfēng new trend a new trend; a positive new custom or practice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.