Tetranitrocompound
四硝基化合物
🗣️ 情景例句
If you don't think it's any good, Please say so.
如果你认为写得不好，请照实说。
Would you take them to my room?
能送到我的房间吗？
After that they pressed a piece of paper on top, and printed a whole page of a book.
然后，再把一张纸压在上面，就印出了一整页书。