Nitrogen pentoxide
[化] 五氧化二氮
🧩 词语组成解析
n. [化]五氧化物
🗣️ 情景例句
Well, it's eight twenty now.
现在是八点二十了。
To youth I have but words of counsel -- work, work, work.
对青年人，我要奉劝几句话∶工作，工作，再工作。
It is a curious coincidence that the day before his retirement, Mr.Page will have been teaching for a total of forty years.
佩奇先生退休的前一天正好是他执教满40年的日子，这真是奇妙的巧合。