1.dark matter 暗物质

If the neutron star were near the centre of the galaxy, for example, and surrounded by an abundance of dark matter, then it would continue to accrete dark matter.

假如这个中子恒星靠近星系的中心，又被大量的暗物质所包围，这个在中子恒星中央的稠密恒星将继续吸收暗物质而逐渐增大,XN(eobdIBV||。

2.be made of 由...组成

Bread might be made of carbs, but everyone knows it's nourishing, so eat a little, he said.

面包也许是碳水化合物构成的，但每个人都知道它是营养的，所以他说，吃点吧|w=-]x[q.E。

3.charged particles 带电粒子

These charged particles will slam into each other inside a tunnel 30 kilometers – or about 19 miles – long.

这些带电粒子会在一个30 公里长——约为19 英里——的隧道中相互猛烈撞击Hb3tv!0rn6#,(#a。

4.antimatter counterpart 反物质

So while an electron has a negative charge, its antimatter counterpart, a positron, has a positive charge and they annihilate each other when they get too close.

所以，电子带负电，那它对应的反物质正电子就带正电，并且它俩如果靠太近就会湮灭掉6wIwD50iAApgbNIW3。