Nitropolyurethane
硝基聚氨酯
🗣️ 情景例句
So, what do you think you're going to do?
那么你打算怎么办呢？
He always comes rushing up at the last moment.
他往往到最后的一瞬间才急忙赶来。
If we buy the smaller one, the IBM PC386, we might have to change it in a few years' time for a bigger one.
如果我们买一台较小的IBM386的话，过几年可能就得换一台较大的机子。