A new potentially life-saving treatment for cancer patients is now in the early phases of testing.

一种新的可能拯救癌症患者生命的治疗方法目前正处于测试的早期阶段。

I go through phases where everything I write is just dross.

我经历过几个阶段，写什么都是垃圾。

Two phases, but one component.

两个相，但只有一种组分。

This is components. And phases.

这是组分数，这是相的数目。

We are in the early phases still.

我们仍处在早期阶段。

And then we have a bunch of phases.

我们还有一系列的相。