Nitrogen sealed
[电] 氮封
🧩 词语组成解析
a. 未知的, 密封的\\n[法] 盖印的, 经盖章批准或证实的, 密封的
🗣️ 情景例句
Yes. I wonder if you can send up some of boiling water for me.
是的，你可以送点开水上来吗？
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
What did you do next?
接着你做什么呢？