Fluooxycolumbic acid
[化] 氟氧铌酸
🧩 词语组成解析
🗣️ 情景例句
I happened to meet her on the bus.
我凑巧在公共汽车上碰见她。
Why didn't you ask me for help?
为什么你不请我帮忙？
Well done, Wei Hua! Thank you, said Miss Zhao. I think it's time for us to start the lesson now.
“说得很好，魏华！谢谢，”赵小姐说，“我想现在该是我们学习课文的时候了。”