While each box contains a beacon, the unit only has enough battery power to transmit a signal for 30 days.

虽然每个盒子里都有一个信标，但这个装置的电池只能够传输30天信号。

youdao

He was a beacon of hope for the younger generation.

他是年轻一代的希望之灯。

《牛津词典》

She is a beacon of hope for women navigating the darkest passage of their lives.

她是个指引女性们穿越她们生活最黑暗时光的希望的灯塔。

《柯林斯英汉双解大词典》

"It is very hard to be a beacon for others, when you are constantly at war.

VOA: standard.2010.03.11

In that case the red light would be a beacon which means "forward," "go," "follow me," "damn the torpedoes." Right?

他就很可能代表,出发，跟我来等等意思，对吧？

耶鲁公开课 - 文学理论导论课程节选

"I think it can be a beacon in the coming years for those of us who believe that the values of democracy, the values for respect for human rights, the values for respect for the rule of law are indeed universal values,".

VOA: standard.2009.08.27

Clearly, EnnisKnupp has long been considered a beacon of integrity in the pension world.

FORBES: Magazine Article

For them, Wooden's words can serve as a both a beacon and a challenge.

FORBES: How To Overcome Being Told No

When it comes to the EU, Ireland is a beacon for consulting its people.

BBC: Europe's days of anxiety