乙型脑炎 yǐxíngnǎoyán Japanese encephalitis Definitions Defs Origin Strokes Stroke Words Sentences Sents 乙型 yǐxíng type B type B; type II; the second of a group of related items, such as blood types or technical specifications脑炎 腦炎 nǎoyán encephalitis inflammation of the brain, typically caused by a viral infection