colloquial abbreviation of brother, attested from 1660s.
双语例句
1. Messrs. Edwards & Bro. produced this product.
爱德华 兄弟公司生产这种产品.
来自《简明英汉词典》
2. Sustained periodical oscillation and quasi - periodical oscillation in BZ - Reaction ( BrO _ 3~ -- MA - C _ c ~ ( 3 + )) are observed experimentally in CSTR system.