In this case, Uranium-Lead Dating was used to establish that half of the sandstone in the samples was formed at the same time the granite in the Appalachian Mountains was formed.

在这种情况下，铀铅定年法被用来确定样本中一半的砂岩是在阿巴拉契亚山脉花岗岩形成的同时形成的。

youdao

However, the first chronic case took place half a century ago.

然而，第一个慢性中毒病例发生在半个世纪以前。

youdao

One and a half years later, I think the case is closed.

一年半之后，我认为这个案例已经结束了。

youdao

The case later grew to include over one and a half million women who were current and former Wal-Mart workers.

VOA: special.2009.07.17

So while the women become self- actualized, the men can cut their handicaps in half, and everybody--Steve Case included--is happy.

FORBES: Ballancing Act

The International Court, for example, takes an average of two-and-a-half years to complete a case.

ECONOMIST: The Pinochet case

To foodies, of course, the plate is always half-empty, but in this case they may have a point.

ECONOMIST: Chinese food