我们调转船头的时候，信号器又开始发出不停的嘟嘟声。

When we turned the boat about, the signal began to bleep again constantly.

《柯林斯英汉双解大词典》

警车发出信号，要我们驶向路边停靠。

The police car signalled to us to pull in.

《牛津词典》

实际上我们需要发出信号使它更清楚。

We actually need to signal it more clearly.

youdao

我们曾收到那架飞机失事前发出的无线电求救信号。

We had picked up radio signals for help from the plan before it crashed.

youdao

我们需要发出一个好的信号。

We have to send out a signal straight away.

youdao

地球向外星人发出呼唤：我们还没有收到你们的信号，你们再试试好吗？

Earth to Aliens: We Haven't Had a Signal yet. Could You Try again?

youdao

地球向外星人发出呼唤：我们还没有收到你们的信号，你们再试试好吗？

Earth to Aliens: We Haven't Had a Signal yet. Could You Try again?

youdao