Radiocarbon dating
<正>放射性碳年代测定（法）
🧩 词语组成解析
n. 放射性碳, 碳-14\\n[化] 放射性碳
[计] 记日期的\\n[经] 注明日期
🗣️ 情景例句
I know. I do.
我知道。我会的。
Has he studied French very long?
他学习法语很长时间吗？
The experts were now fully convinced that the animal was a puma,
专家们如今已经完全肯定那只动物就是美洲狮，