Rubidium-strontium dating
un. 铷锶年龄测定法\\n
🧩 词语组成解析
n. 铷\\n[化] 铷Rb
[化] 锶Sr\\n[医] 锶(38号元素)
[计] 记日期的\\n[经] 注明日期
🗣️ 情景例句
You're welcome. Good-bye.
不用谢。再见。
I'd like to ask you just one question.
恕我请教你一个问题。
English is spoken as a first language by most people in the USA, Great Britain, Canada, Australia and New Zealand.
在美国、英国、加拿大、澳大利亚和新西兰，大多数人都把英语做为第一语言。