Nitropolyurethane
硝基聚氨酯
🗣️ 情景例句
I can't wait much longer.
我再也不能等了。
How could you do this?
怎么可以这样？
It was no use pretending that I had not seen him, so I waved to him.
若再装作没看见他已是没有用了，我只好向他招手。