Pervanadic acid
[化] 过钒酸
🧩 词语组成解析
🗣️ 情景例句
What about Michelle's school?
那Michelle的学校怎么办？
Do you have change for a twenty-dollar bill?
你付了一张20美元帐单了吗？
Whether the remarkable growth of organized camping means the eventual death of the more independent kind is hard to say.
有组织的露营活动的明显发展是否意味着较独立的自我封闭式露营的最终消失，还很难说。