supermassive英'sjuːpəmæsɪv美'sjuːpəmæsɪvCOCA⁴³²⁴³BNC⁹⁷²³³⁺⁷iWeb³¹⁰⁹⁵ 基本例句 adj.天特大质量的 Could they be the leakage of gravitational waves caused by the cataclysmic collisions of supermassive black holes before the Big Bang? 它们是不是由大爆炸之前特大质量的黑洞灾难性的碰撞引起的引力波的漏泄？ yeeyan