昨大寒，今冷，混口飯吃，何來倉惶，biotwang，https://www.scientificamerican.com/article/mystery-of-deep-ocean-biotwang-sound-has-finally-been-solved/，Barnard 68，https://www.scientificamerican.com/article/whats-inside-our-galaxys-darkest-place/，
昨大寒，今冷，混口飯吃，何來倉惶，biotwang，https://www.scientificamerican.com/article/mystery-of-deep-ocean-biotwang-sound-has-finally-been-solved/，Barnard 68，https://www.scientificamerican.com/article/whats-inside-our-galaxys-darkest-place/，
