We now know the age of the glaciation accurately from radiometric dating of the carbon-14 in logs buried in the drift.

我们现在通过测量掩埋在漂流物中木头放射性的碳-14元素，以精确地确定冰川作用的时期。

youdao

Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast suggest that at least a portion of the area was remaining ice-free during the last ice age.

从阿拉斯加东南海岸岛屿的洞穴中提取的化石的放射性碳年代测定法表明，在最后一个冰河时代，该地区至少有一部分保持无冰状态。

youdao

It’s easier than ever to do so in the age of online dating, but nobody wins if you post pictures that are 10 years old.

在在线约会的互联网时代，这么做比以前更加简单。 但没人会信，如果你贴一些看起来只有十岁的照片。

youdao

The team collected pieces of the coral and then used radio-carbon dating methods to find their age.

VOA: special.2009.05.12

One of the claims she makes is that in the age of Internet-dating women have assumed a new kind of power.

FORBES: Sex and Love and The Business of "I Do"

The age of the cloth was determined by Carbon-14 dating.

FORBES: Ancient Burial Cloth Provides Clues To Bronze Age Trade

If you are a divorced middle-aged man looking to have a good time dating women half your age, this article is not for you.

FORBES: How To Find The Woman Of Your Dreams In Six Weeks