Prepolycondensate
预缩聚物
🗣️ 情景例句
Would you please repeat your offer again?
能否再说一遍您的优惠？
I hope you can help me.
我希望你能帮助我。
Yes. Ashland is a small town about eight kilometres from the city of Richmond.
对。阿什兰德是一个距里士满市大约8公里的小镇。