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。
| 单词 | Q.D. |
| 释义 |
Q.D.
原声例句
Vox 观点 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。
英语百科
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