In fact, studies indicate that four billion years ago, carbon dioxide levels in the atmosphere were much higher than today's levels.

事实上，研究表明40亿年前大气中的二氧化碳含量远远高于今天的水平。

youdao

Four good things had happened to her, in fact, since she came to Misselthwaite Manor.

事实上，自从她来到米塞斯维特庄园以来，发生了四件好事。

youdao

youdao

It was formed,in fact, by the Articles of Association in seventeen seventy-four.

VOA: special.2009.07.30

It's as though you try-- try getting upset about the fact that two plus two equals four.

这就像你在尝试-,为二加二等于四而烦恼。

耶鲁公开课 - 死亡课程节选

I love the fact that we have to train for four or five months,

我们要训练四五个月，我挺喜欢这样的。

在马拉松认识的朋友 - SpeakingMax英语口语达人

Fact four: foreign firms tend to export more than domestic ones.

ECONOMIST: Globalisation

In fact, four of the tourists died in the botched rescue attempt by the Yemeni army - three Britons and one Australian.

BBC: End of an era as Abu Hamza to be extradited

But the fact that four of the last six promoted teams chose not to spend on the supposedly tried-and-tested options is telling.

WSJ: English Premier League