Nitropolyurethane
硝基聚氨酯
🗣️ 情景例句
It's inevitable that he'll find out about it.
他无可避免地会发觉此事。
The United Nations conference is projected for next year.
联合国大会预定明年召开。
He looked very well though he was rather thirsty, for he drank half a bottle of milk.
它看上去一切正常，只是口渴得很，喝了半瓶牛奶。