If the burst is surrounded by a dense medium with a high density, the relativistic fireball shock will be quickly decelerated into the sub-relativistic phase.是什么意思_If the burst is surrounded by a dense medium with a high density, the relativistic fireball shock will be quickly decelerated into the sub-relativistic phase.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句