| 释义 |
SOSBrE /ˌes əʊ ˈes/ NAmE /ˌes oʊ ˈes/ noun [sing. ]a signal or message that a ship or plane sends when it needs urgent help （船舶或飞机发出的）紧急呼救信号◆ to send an SOS 发出紧急呼救信号◆ an SOS message 紧急呼救信号an urgent request for help 紧急求助的请求◆ We've received an SOS from the area asking for food parcels . 我们收到来自那一地区的紧急求援信息，他们急需食物包。 ➡ see also Mayday |