释义 |
ring mainBrE /ˈrɪŋ meɪn/ NAmE /ˈrɪŋ meɪn/ noun (specialist ) an arrangement of cables that allows electricity to be supplied to a series of places from either of two directions (电路的)环形干线 = ring circuitan arrangement of connected pipes that allows water , steam , etc . to enter and leave a system (管路的)环形主线 |