Cada palabra en un poema es un mundo en sí mismo.
我们几乎无法避免这样的推论:光是由同一种介质的横向波动组成的,这种介质也是电和磁现象的原因。
I don't think limits.
Sustainability is no longer an option—it's a necessity for any business that wants to thrive in the future.
The only way to tell the truth is to speak without persuasion.
每一种化学结合完全且仅仅依赖于两种对立的力量,即正电和负电。