小循環 xiǎoxúnhuán pulmonary circulation Origin Definitions Defs Strokes Stroke Words Sentences Sents 小 xiǎo adjective small small; tiny; few; minor; in area, volume, quantity, or power, being less than average or less than the object of comparison; opposite of 大 dà循环 循環 xúnhuán noun cycle a circle, loop, or repeating sequence of events; circulation