电磁场的方程是从实验事实中推导出来的。
Sustainability isn't just a trend—it's our responsibility to the next generation.
让睁眼看着玫瑰花的人也看看它的刺。
I don’t care if you’re a friend or a foe, I’m still gonna be me.
The human being is not the lord of beings, but the shepherd of being.