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
What do you think? Does it look promising?
你怎么想？ 希望大吗？
Football is my favorite.
足球是我最喜欢的。
The Ombudsman immediately wrote to the Chief of Police in the district asking him to send a record of the case.
司法特派员立即写信给当地警察局长，请他寄送与此事有关的材料。