This is the first time in U.S. history that a current or former president has been criminally charged.

这是美国史上首次有现任或前任总统受到刑事指控。

In the sun's super-hot center, atoms are stripped of their electrons and boil to the surface along charged convection currents as wide as Texas.

在太阳的超热中心，原子被剥夺了电子，并沿着与得克萨斯州一样宽的带电对流沸腾到表面。