Vanadium pentoxide
[化] 五氧化二钒
🧩 词语组成解析
n. 钒\\n[化] 钒V
n. [化]五氧化物
🗣️ 情景例句
When does the next train leave for New York?
到纽约的下一趟火车什么时候开车？
I got a dozen eggs.
我拿了一打鸡蛋。
I don't know.I've already had my holiday this year.
我不知道。今年我已度过假了。