The discovery of stars orbiting the supermassive black hole at the galactic center was a turning point in astrophysics.
最重要的事就是去努力尝试与激励大家,使他们能够在想做的事上大放异彩。
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.
The lithium-ion battery is something that has impacted the world in a very big way.