A continuous broadcast powerful enough to reach across interstellar space takes a huge amount of energy.

持续的广播足够到达星际空间，那要消耗巨大的能量。

youdao

A continuous broadcast powerful enough to reach across interstellar space takes a huge amount of energy.

持续的广播足够到达星际空间，那要消耗巨大的能量。

youdao