准确说，我大部分时间都在研究宇宙大爆炸理论和宇宙的起源。

I guess that would be fair to say I spent most of my time studying the Big Bang theory and where our universe came from.

youdao

我想，公平地说，我花了大部分时间研究大爆炸理论和我们的宇宙从何而来。

I guess that would be fair to say I spend most of my time studying the big bang theory and where our universe came from.

youdao

当时，对宇宙的起源有两个主要的对立理论：宇宙大爆炸理论，稳态宇宙模型。

Back then, there were two major rival theories about the origin of the Universe: the Big Bang theory and the Steady-State model of the Universe.

youdao