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
How did you get to know her?
你是怎么认识她的？
He said he would rather not tell his age.
他说他不愿告诉年龄。
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。