鼠疫杆菌 shǔyìgǎnjūn Yersinia pestis Definitions Defs Origin Strokes Stroke Words Sentences Sents 鼠疫 shǔyì the plague A highly contagious and often fatal disease caused by bacteria and transmitted to humans by fleas from infected rodents; also known as 黑死病 hēisǐbìng.杆菌 桿菌 gǎnjūn bacillus bacillus; any rod-shaped bacteria