紧急求救信号英释中释nAn SOS is a signal which indicates to other people that you are in danger and need help quickly
发出遇难信号中释vi
1 The ferry did not even have time to send out an SOS..这艘渡船甚至没有时间发出紧急呼救信号。
更新时间:2025-02-22 15:04:20