An international radiotelephone signal word used by aircraft and ships in distress.
呼救信号遇险的飞机、船只等使用的国际无线电呼救信号
The plane didn't give out signals for help before crashing
这架飞机在坠毁前没有发出呼救信号。
Lucy's distress call was heard by the corvette.
驱潜快艇听到了露西的呼救信号。
an internationally recognized distress signal via radiotelephone (from the French m'aider).
国际公认的无线电话呼救信号。
distress message generator
呼救信号发生器遇险电文产生器遇险信息发生器
low power distress transmitter
低功率遇险呼救发信器
Our radio picked up your SOS.
我们的无线电收到了你们的呼救讯号。
boat handling signals
救生艇收放指挥信号
night life-buoy
带烟火信号的救生圈
lifebuoy self-activating smoke signal
救生圈自发烟雾信号
called subscriber anwser signal
被呼叫用户回答信号
They quickly lighted kerosene flares to signal the SOS.
他们赶快点着煤油信号灯，发出求救信号。
a ship radioing for help.
一条船发出无线电求救信号
The ship sent a radio message asking for help.
那船发出了无线电求救信号）.
The ship's radio sent out signals for help.
轮船上的无线电发出求救信号。
an internationally recognized distress signal in radio code.
无线电码发出的国际公认的求救信号。
The radio operator sent an appeal for help to headquarters.
无线电报务员向司令部发出求救信号.
Joe notes that on cold days I give frequent signals.
乔注意到我在冷天经常发出求救信号。