You send a coded signal and Northwood sends another signal.

您发一个电码 基地通讯员回一个确认码。

This has earned her the nickname " Lady SOS." SOS is the international Morse code signal for help.

这为她赢得了“Lady SOS” 的绰号。 SOS 是国际摩尔斯电码求救信号。

When the Republic was hit, its telegraph operator tapped out the Morse code signal C-Q-D, the distress call that later became SOS to all nearby ships.

当共和国号被击中时，它的电报员发出了摩斯电码信号 C-Q-D，这个求救信号后来变成了向附近所有船只发出的求救信号。