BSIBrE/ˌbiː es ˈaɪ/NAmE/ˌbiː es ˈaɪ/abbreviationthe British Standards Institution (theorganizationthatdecidesthestandardsizesforgoodsproducedinBritain, andteststhesafetyofelectricalgoods, children'stoys, etc.)英国标准协会(负责制定英国国内产品的规格标准并对电器商品、儿童玩具等进行安全检测)