1.gravitational wave 引力波

例句:What will happen when a gravitational wave was found by my computer?
如果一个引力波被我的电脑找到了（计算出来了），会怎么样？

2.come from 来自

例句:I come from the north.
我是北方人x4K|Yy0^XtUYUxOj5S+Q。

3.black hole 黑洞

例句: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gn-nLwlg=3m。

4.start with 开始

例句:To work out a plan, one has to start with investigation.
制定计划要从调查研究入手gyXm*bEM;1qY。