It's so vast, so deep, so mysterious.

它是如此广阔，如此深邃，如此神秘。

youdao

I think it's lost forever because those mountains are so vast and inaccessible that you're looking for a needle in a haystack.

我认为它永远消失了，因为这些山脉是如此巨大艰险，你无疑是在大海捞针。

youdao

This enclosure was so vast that the outermost wall could hardly be seen.

这块圈地大得几乎看不见它最外面的围墙。

《柯林斯英汉双解大词典》

The incredible thing,he notes, is that we have no media (at our disposal), so we use other tools to create a vast movement with international outreach."

VOA: standard.2009.10.19

So, the vast majority of elements in the periodic table are metals.

所以，元素周期表中的大部分,都属于金属。

麻省理工公开课 - 固态化学导论课程节选

So the union of a universalist religion, with a monarch such as the Roman Empire, who ruled a vast empire, could nonetheless have put an end to any prospect of freedom as in other civilizations.

所以说,若是由信普救说者教会,与罗马帝国为代表的君主政体结盟,便会断送,其他文明中存在的自由前景

耶鲁公开课 - 古希腊历史简介课程节选

Something so vast is occurring as to effect a dramatic transformation of, well, everything.

FORBES: Daniel Yergin's The Quest: Human Ingenuity, Passion, the Fall of Caliphatism and the Rise of Prosperity

The mobile phone market is so vast that when it sneezes, many catch a cold.

BBC: Lunch Lesson 16 - Good times, bad times

Working out why vacuum energy is not so vast has been a problem for physics ever since.

ECONOMIST: Cosmology