It involves pointing a radio receiver at a candidate star (one that is sunlike and not too far away) and listening for some sort of steady signal - an alien radio broadcast, on all the time.

它涉及到指出电台接收器在候选星体(像太阳一样的星体)，监听各种稳定的信号，外星人广播，全时段的。

youdao

Oh, my friend, do you like stars? If you feel lonely far away from home, look up at the stars in the sky, where there is a star for luck that I "ve send you."

朋友，你喜欢星空吗？如果有一天你在远方流浪时感到孤独、忧郁，请抬头看看星空，那儿有我送给你的幸运星。

youdao

If you feel lonely far away from home, look up at the stars in the sky, where there is a star for luck that I "ve send you."

如果有一天你在远方流浪时感到孤独、忧郁，请抬头看看星空，那儿有我送给你的幸运星。

youdao

Though even the nearest star is too far away for a planet drifting across its disc to be seen, astronomers can detect the drop in starlight caused by the obstruction.

ECONOMIST: Transits of Venus