So the universe must have begun in a very hot and very compact state.

至其最初始，宇宙必然是在一种非常高热高密度的状态下诞生的。

youdao

So the universe must have begun in a very hot and very compact state.

至其最初始，宇宙必然是在一种非常高热高密度的状态下诞生的。

youdao