Before we can understand what this "noise" is, we need to understand how equipment designed to look for the space-time ripples caused by collisions between black holes and supernova explosions.
在我们探讨所谓的“噪音”之前，我们需要先理解设备是如何去寻找在黑洞和超新星碰撞过程中产生的重力波。
2
The drain was a big black hole, and the water went through it very fast, making a loud noise.
这个排水管是一个大黑洞，水在排水管中湍急地流过，发出很大的声响。
3
The belt may make a squealing noise and throw off sooty black particles of rubber.