Pentanitrocellulose
五硝基纤维素
🗣️ 情景例句
This show is terrible; whoever's in charge needs to make some big changes.
这场演出很糟糕，主事的人应该对此做重大调整。
It's going to crash! Why?
要下坠了，究竟怎么啦？
This hobby educates one not only in the chosen subject, but also in general matters which have some bearing on it.
这种爱好不仅能使人从选择的专题中受到教育，而且也能从与之有关的一般事物中获得长进。