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
My day was just fine.
这一天还好。
Gee, that's bitter.
噢，好苦！
The writer stated that Rastus was in safe hands and would be returned immediately if Mrs.Ramsay paid a ransom of $1,000.
写信人声称拉斯特斯安然无恙，只要拉姆齐太太愿意支付1，000 英镑赎金，可以立即将猫送还。