当他的观众感到无聊时,他会跳到空中,做一个半扭的后空翻
The universe is a vast and complex system, and understanding it requires both theoretical insights and observational evidence.
我们相信,我们需要拥有并控制我们所制造产品背后的主要技术。
Innovation is at the heart of what we do. It's how we meet the world's growing energy needs while reducing our environmental footprint.