英语语法分析

Supernovas in the Milky Way are the likeliest source for most of the cosmic rays reaching Earth.

银河系中的超新星最有可能是大多数宇宙射线到达地球的来源。

I realise that I am not the likeliest candidate for this office.

我认识到，对于这一职务，我不是最有希望的候选人。

That leaves foreign demand as the likeliest motor of GDP growth.

如此一来，国外需求就成了最可能拉动GDP增长的引擎。