Nitropolymer
硝基聚合物
🗣️ 情景例句
Malcolm, you worked on the Spaceport project?
Malcolm，你曾负责 太空港 的案子？
Those flowers look pretty but don't give off a nice smell.
这些花看似漂亮，但是气味并不好。
He is acting an old man.
他正扮演一个老人。