Potassium-argon dating
钾氩测年
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
argon
[['a:gɔn]]
n. 氩\\n[化] 氩Ar
[计] 记日期的\\n[经] 注明日期
🗣️ 情景例句
Thanks. I'm on my way over.
谢谢， 我马上就来。
Necessity is the mother of invention.
穷则变，变则通。
Competition between ourselves, person against person, community against community,
然而人类之间的竞争，人与人，团体与团体，