Once they'd found us, a signal was sent to the valley with a flashlight.

他们已发现了我们，就用闪光信号灯向山谷发去了信号。

youdao

Once they'd found us, a signal was sent to the valley with a flashlight.

他们已发现了我们，就用闪光信号灯向山谷发去了信号。

youdao