But the newfound star pair is unique in that they don't swap matter as they spin, providing a "clean clock" to measure the effects of gravitational waves, Brown said.

但是这对新发现的双星非常独特，因为它们在旋转时没有发生物质交换，这就好像为我们提供了一台“准确的时钟”，使我们可以对引力波的效果进行测量，布朗说道。

youdao

I had worn the same pair of socks for three months. Whenever I took off my shoes, the smell made my head spin dizzily.

我的袜子已经三个月都没换过，不管啥时候，我一脱鞋，一阵怪味就会薰得我晕晕呼呼。

youdao

First, a model of a pair of coupled particles interacting with a Heisenberg spin chain is presented.

首先，本文提出了一个耦合粒子对与海森堡自旋链相互作用的模型。

youdao

When MCI merged with WorldCom two years ago, the European Commission forced the pair to spin off MCI's Internet backbone.

FORBES: Backbone Bullies

Azhar Ali and Younus Khan raised their half-century stand from 155 deliveries early in the day, but once spin was introduced the pair found the going much tougher.

BBC: SA's Morne Morkel puts Pakistan in trouble in Dubai

Together the pair added 98 for the fifth wicket before Joyce was undone by the off-spin of Nathan Dumelow for 58.

BBC: Crusaders rooted to bottom spot