鸟疫衣原体 niǎoyìyīyuántǐ chlamydia ornithosis Origin Definitions Defs Strokes Stroke Words Sentences Sents 鸟疫 鳥疫 niǎoyì ornithosis ornithosis; a disease of birds that can be transmitted to humans衣原体 衣原體 yīyuántǐ chlamydia A type of microorganism that lives and multiplies inside living cells, causing various diseases in humans, livestock, and birds; also known as 披衣菌 pīyījùn