类星体就像是宇宙中最贪得无厌，最无法无天的怪家伙。

Quasars are perhaps the most ravenous and immortal beasts in the universe.

youdao

类星体就像是宇宙中最贪得无厌，最无法无天的怪家伙。

Quasars are perhaps the most ravenous and immortal beasts in the universe.

youdao