Nitropolyurethane
硝基聚氨酯
🗣️ 情景例句
Governments wage a constant war against counterfeiting.
政府掀起持久的打假活动。
Her social life got in the way of her studies.
她的社交活动妨碍了自己学业。
Yes, I have.I was there in April.
是的，我去过。4月份我在那儿。