/ˈbaɪpɑ:s; US -pæs ||; ˈbaɪˌpæs/noun[C] 1 a road which traffic can use to go round a town, instead of through it (绕过市镇的)旁道,旁路 ☞Look at ring road. 参看 ring road。
2 (medical医学) an operation on the heart to send blood along a different route so that it does not go through a part which is damaged or blocked 分流手术,心脏搭桥手术(使血液从别的途径而不是从损坏的或阻塞的途径流过): a triple bypass operation 三叉搭桥手术heart bypass surgery 心脏搭桥外科