求救信号 (qiújiù xìnhào, distress signal)
Grammar & Usage
How it works
This is a compound noun formed by '求救' (qiújiù, to seek help/rescue) and '信号' (xìnhào, signal). It literally means 'help-seeking signal' and refers to any sign, sound, or action used to indicate a need for immediate assistance. It functions as a singular noun.
Sample sentences
这艘船向海岸警卫队发出了求救信号。
The ship sent a distress signal to the coast guard.
我们看到了远处发出的闪光求救信号。
We saw a flashing distress signal sent from afar.
在野外迷路时，发出求救信号非常重要。
When lost in the wilderness, sending a distress signal is very important.
Quick facts
Mnemonic
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Example
这艘船向海岸警卫队发出了求救信号。
The ship sent a distress signal to the coast guard.
我们看到了远处发出的闪光求救信号。
We saw a flashing distress signal sent from afar.
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