black hole
英 美
Radio signals received from the galaxy's centre back up the black hole theory.
从该星系中心接收到的无线电信号证实了黑洞理论。
You pretend that this black hole which you worship exists.
你假装你崇拜的黑洞存在。
Think of a three-dimensional spherical black hole that's copied and stacked out in one direction to create an oblong shape.
设想一个三维的球状黑洞，把它复制和堆放在一个方向上，就会构成一个长方形的形状。
上一个：blackhead
下一个：black carp
