But oxygen gas was not this elusive elixir of life.

但是氧气并不能让人长生不老。

This, of course, in turn, was used to make the elixir of life, which many claim had made the monk immortal.

哦，当然反之也被用做研究长生不老药，能够让修士成仙。

People will seize on the elixir of life if it becomes available.

如果有长生不老药，人们就会抓住它。

It is not an elixir of life, for eventually the body will run out of cells, as more and more of them reach their Hayflick limits.

但这并不是生命的万灵药，因为随着越来越多的细胞达到海佛烈克極限，身体机能最终还是会耗尽细胞的数量。

Many alchemists believed that the stone could also be an elixir of life, possessing the power to cure illness or even grant immortality to the one who possessed it.

许多炼金术士相信这块石头也可能是一种长生不老药，拥有治愈疾病的力量，甚至可以让拥有它的人长生不老。

And in doing so, we can be reunited with the most powerful elixir of life, the Swiss Army knife of health, as it were.

在这样做的过程中， 我们可以重新获得最强大的长生不老药，可以说是瑞士军刀。

Number four: The invention of gunpowder. In 850  CE, Chinese alchemists were trying to find an elixir of life. Instead, what they discovered  could be referred to as an elixir of death.

第四：火药的发明。 公元 850 年， 中国炼金术士试图寻找长生不老药。相反，他们发现的东西可以称为长生不老药。

The name brought back to me the memory of some snippet from a newspaper which spoke of an obscure scientist who was striving in some unknown way for the secret of rejuvenescence and the elixir of life.

这个名字让我想起了报纸上的一些片段， 其中提到一位默默无闻的科学家正在以某种不为人知的方式努力寻找恢复青春的秘密和长生不老药。