这艘渡船甚至没有时间发出紧急呼救信号。

The ferry did not even have time to send out an SOS.

《柯林斯英汉双解大词典》

我们在无线电里收到了呼救信号。

We picked up signals for help on the radio.

youdao

这条船正发出呼救信号。

The ship is sending out an SOS signal.

youdao

他们发出了一枚呼救信号火箭。

They sent a distress rocket.

youdao

在偏远地区，呼救信号可以引导救援队员直接到达失事地点。

In remote areas, the beacons guide search and rescue personnel directly to the crash site.

youdao

在偏远地区，呼救信号可以引导救援队员直接到达失事地点。

In remote areas, the beacons guide search and rescue personnel directly to the crash site.

youdao