Potassium fluocolumbate
[化] 七氟铌酸钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
🗣️ 情景例句
And what happened?
发生什么事呢？
Can I have a day off?
我能请一天假吗？
As complaints must be made in writing, the Ombudsman receives an average of 1,200 letters a year.
由于意见均需用书面形式提出，司法特派员每年平均收到1，200封信。