Pervanadic acid
[化] 过钒酸
🧩 词语组成解析
🗣️ 情景例句
I was teaching music,
我当时教音乐，
That's just what I was looking for.
那正是我所期待的。
He described it as 'a very agreeable situation located within two small hills in the midst of which flowed a great river.
“地理位置十分适宜，位于两座小山的中间，一条大河从中间流过”。