Radio signals received from the galaxy's centre back up the black hole theory...
从该星系中心收到的无线电信号证实了黑洞理论。
2.face to face面对
Why not have it out with your critic, discuss the whole thing face to face?
为什么不和批评你的人讲个明白，面对面地把整件事情谈一谈呢？
3.turn into变成
I think I have got to stop or I might turn into a machine.
我想我得停下来了，否则我就会变成一台机器。
4.speak for代表...讲话
Obviously I can't speak for other people, but certainly no one I know would entertain the idea.
我显然不能代表其他人的意见，可是我认识的人当中肯定没有人会有这样的想法。
